Ⅰ. 用括号内所给单词的适当形式填空。
1. The (excite) news made all the students cheer loudly.
2. My brother has (teach) himself English for two years.
3. It's (polite) to talk loudly in the library.
4. We should try our best to (protection) the environment around us.
5. The little boy hurt (he) when he played basketball yesterday.

1. exciting 2. taught 3. impolite
4. protect 5. himself

Ⅱ. 根据句意及首字母提示补全单词。
1. Many teenagers like to c with their friends online to relax in their free time.
2. If you have a bad t, you should go to see a dentist as soon as possible.
3. She felt very l after her best friend moved to another city and left her alone.
4. He didn’t want to argue with others; he s wanted to explain his true feelings.
5. You won’t improve your English u you keep practising speaking and listening every day.

1. chat / communicate 2. toothache
3. lonely 4. simply 5. unless

Ⅲ. 选择方框中的短语并用其适当形式填空。
reduce stress look after at all costs pass away make a difference
1. A small act of kindness can to someone’s life.
2. Playing basketball after class can help us after a long day of study.
3. We must protect the wild animals , because they are our friends.
4. My grandmother last year, and I miss her very much.
5. Could you please my cat while I am on vacation?

1. make a difference 2. reduce stress
3. at all costs 4. passed away
5. look after