---Must I clean the floor now?
---__________. It is too dirty.
A. Yes, you needn’t B. No, you needn’t
C. No, you mustn’t D. Yes, you must
---How long may I _____________ the book?
---Two weeks.
A. borrow B. lend C. buy D. keep
These aren’t my keys. Mine ___________ in the drawer.
A. is B. are C. am D. were
The old man is too tired _________ go any further.
A. enough B. can’t C. to D. so
His father is __________ engineer and he works __________ research.
A. an, on B. an, with C. the , on D. a, with
现在有越来越多的中国人在学英语,包括儿童,青少年以及成年人.请根据实际情况和你了解的知识说说人们为什么要学英语。
提示: teenager(青少年) adult(成年人)
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