一、用括号中所给词的适当形式填空。
1. The plane often (circle) around the airport before landing safely.
2. They agreed (not tell) anyone else about their plans.
3. There's always a (possible) that he might go back to Seattle.
4. Don't forget to remind your children (do) their homework every day.
5. — Mum, I'm a bit nervous about joining the school club tomorrow. I don't know anyone there.
— Don't worry! Everyone will be a stranger at first, but you can start by (say) hello and finding common interests. Soon, you'll become good friends.

1. circles 2. not to tell 3. possibility 4. to do 5. saying

二、单项选择。
1. Most plants will die water or sunshine.

A.with
B.in
C.without
D.of

1. C

2. — The football match was put off the sudden storm. — What a pity!

A.instead of
B.because of
C.as for
D.across from

2. B

3. — Is your father the date of the parents' meeting?
— I am afraid not. He is sometimes forgetful.

A.crazy about
B.surprised at
C.aware of
D.interested in

3. C

4. — Have you heard of the song "Where did the time go"?
— Yes. It often the old days and love of my family when I hear it.

A.puts me down
B.reminds me of
C.shows me off
D.helps me out

4. B

5. There are lots of man-made satellites the Earth in space.

A.circling around
B.circle around
C.that are circled around
D.circled around

5. A

6. I wonder the number of people would like to move to Mars.

A.of; that
B.what; who
C.about; who
D.of; whom

6. C

7. — Mum, I've signed for a big box by Future Express(快递). What's in it?
— I'm not sure. It be a present from your brother.

A.might
B.must
C.should
D.will

7. A

8. — What are you looking for?
— I'm looking for the dictionary my brother gave me last month.

A.that
B.what
C.who
D.whom

8. A

9. His opinions are similar yours but different Julia's.

A.to; from
B.from; to
C.as; with
D.with; as

9. A

10. On Mars, there might be people carry air tanks their backs.

A.who; on
B.who; under
C.which; on
D.which; under

10. A

三、词汇运用。
What comes to mind when you hear the words "space meat"? They sound quite strange. Most people haven't seen or had such meat before. But in fact, space meat could be the future of human food. So, don't be surprised when it 1. (become) your daily food some day.
In 2019, a Russian astronaut "grew" meat on the International Space Station. He grew it with the cells which 2. (provide) by a company called Aleph Farms. However, 3. (actual), he wasn't the first person to create lab-grown meat. A scientist named Mark Post from the Netherlands grew the lab-grown meat in 2013.
But why do scientists try 4. (grow) meat in a laboratory when we can get the real thing from cows? For one thing, lab-grown meat is 5. (healthy) than real meat. "We have greater control over what the meat consists of(由……组成)," Post said 6. (proud). Lab-grown meat is also free of the chemicals(化学物质) that are used on farms. Are there other ways 7. (take) the place of real meat? One of the 8. (famous) fast food companies in the world is trying to do so with the P. L. T., which stands for "plant, lettuce and tomato". The first P. L. T. burgers have already been sold in Canada, according to the company.
Experts doubt whether these products are better for health than real meat. No matter what the 9. (true) is, they've been shown to be a success. Several fast food companies 10. (offer) such products on their menus so far.

1. becomes 2. were provided 3. actually 4. to grow 5. healthier 6. proudly 7. to take 8. most famous 9. truth 10. have offered