内容正文:
Unit 7 语法、词汇、短语、句型综合巩固
一.语法巩固
( )1.—It’s so hot these days. —Yes, the flowers must ________ once a day, or they’ll die.
A.water B.be watering C.have watered D.be watered
( )2.Some people think trees ________ on Tree Planting Day only.
A.should plant B.should be plant C.shouldn’t be planted D.should be planting
( )3.—This math problem ________ in half an hour. —Don’t worry. Mr. Wang is good at math. He can make it.
A.is working out B.will work out C.should be worked out D.was worked out
( )4.A lot of teenagers think as they are older and wiser, they ________ to make their own decisions.
A.should allow B.shouldn’t allow
C.should be allowed D.shouldn’t be allowed
( )5.We’ll have a birthday party for the child. A pet dog ______ to him as a gift.
A.may give B.may be given C.must give D.must be given
( )6.—How long may I ________ your magazine? —For one week. But it mustn’t ________ to others.
A.borrow; lend B.keep; be lent C.lend; be borrowed D.have; lend
( )7.The air pollution is very serious in our city. Something ________ about it now.
A.can do B.must do C.was done D.must be done
( )8.Thanks to my parents, when I was young, I ________ very well wherever I lived.
A.are looked after B.have been looked after
C.would be looked after D.could be looked after
( )9.— Why do some whales have to ________? — Because humans catch whales for meat, fat and oil. Some of them are ________.
A.protect; dangerous B.protect; endangered C.be protected; dangerous D.be protected; endangered
( )10.No matter what difficulties the scientist meets with, he believes all problems can ________ in the end.
A.solve B.to solve C.solving D.be solved
( )11.The fire went out suddenly due to drops of water. It was very dark and nothing can ________ clearly in the cave.
A.be seen B.to be seen C.being seen
( )12.Some people think trees________on Tree Planting Day only.
A.sho