()5.I know that potato chips ____ by George Crum.
A.invented
B.was invented
C.are invented
D.were invented

D

()6.In our school library, there ____ a number of books on science and the number of them ____ growing larger and larger.
A.is; are
B.are; is
C.are; are
D.is; is

B

四、根据汉语提示完成下列句子。
1. 人们相信,篮球是一名美国人发明的。
It that basketball by an American.
2. 在1936年的柏林奥运会上,篮球成了一个比赛项目。
Basketball became at in 1936 in Berlin.
3. 露比尽力使她妈妈高兴。
Ruby tried to her mother .
4. 越来越多的年轻人在梦想成为著名的篮球运动员。
More and more young people are famous basketball players.
5. 他认为他足够大了,可以自己做决定了.
He thinks he is to make his own decisions.

1. is believed; was invented 2. an event; the Olympics 3. make; happy 4. dreaming of becoming 5. old enough

五、按要求完成句子。
1. People speak English widely in the world.(改为被动句)
English widely in the world.
2. The old policeman made the young man move his car away.(改为被动句)
The young man his car away.
3. All the salt here was produced in East and South China.(改为一般疑问句)
all the salt here in East and South China?
4. A number of people off the beaches were attacked by sharks last year.(改为否定句)
A number of people off the beaches by sharks last year.
5. Mike broke the windows yesterday.(改为被动句)
The windows by Mike yesterday.

1. is; spoken 2. was made to move 3. Was; produced 4. weren't attacked 5. were broken