() 1.— Can I go fishing with you, Dad?
— No, you . You stay at home and do your homework first.
A.won’t; may
B.can’t; must
C.shouldn’t; ought
D.needn’t; should
— No, you . You stay at home and do your homework first.
A.won’t; may
B.can’t; must
C.shouldn’t; ought
D.needn’t; should
答案
B
解析
对于第一空,问句用“Can I...?”提问,否定回答常用“No, you can’t.” ;对于第二空,根据语境“必须先待在家做作业”,“must”表示“必须”,符合语义。A选项“won’t”不符合第一空回答,“may”语义不符;C选项“shouldn’t”不符合第一空回答,“ought”后需加to;D选项“needn’t”不符合第一空语义,“should”语义不符。所以选B。
() 2.— Must I return the magazine to you right now, Sandy?
— No, you . You may keep it until next Wednesday.
A.needn’t
B.can’t
C.must
D.may
— No, you . You may keep it until next Wednesday.
A.needn’t
B.can’t
C.must
D.may
答案
A
解析
Must引导的一般疑问句,否定回答用needn't。根据答语“No”及“You may keep it until next Wednesday.”可知,此处表示“不必”,用needn't。
() 3.— Mum, I play computer games?
— Yes, you can. But you have to finish your homework first.
A.must
B.may
C.will
D.need
— Yes, you can. But you have to finish your homework first.
A.must
B.may
C.will
D.need
答案
B
解析
根据对话的回答“Yes, you can.”可知,问句中是用“can”或类似表示“请求许可”的情态动词提问,选项中只有“may”可以礼貌地表示请求,其他选项“must”(必须)、“will”(将)、“need”(需要)均不符合语境。
() 4.— Must I finish the work today, Mum?
— No, you . You can finish it tomorrow.
A.mustn’t
B.can’t
C.shouldn’t
D.needn’t
— No, you . You can finish it tomorrow.
A.mustn’t
B.can’t
C.shouldn’t
D.needn’t
答案
D
解析
Must引导的一般疑问句,否定回答用needn't,表示“不必”。A.mustn’t意为“禁止”;B.can’t意为“不能”;C.shouldn’t意为“不应该”;D.needn’t意为“不必”。根据语境,妈妈回答“你可以明天完成”,所以是否定“必须今天完成”,用needn’t。
() 5.— Mum, may I go to my friend’s birthday party?
— Certainly. But you be back by ten o’clock.
A.are able to
B.can
C.may
D.must
— Certainly. But you be back by ten o’clock.
A.are able to
B.can
C.may
D.must
答案
D
解析
根据对话情境,妈妈同意孩子去派对,但提出“必须十点前回来”的要求。"must"表示“必须”,符合语境。A项“能够”、B项“可以”、C项“可能”均不符合要求语气。
() 6.— Shall we go skateboarding after school?
— Sorry, my parents said that I be at home early.
A.need
B.must
C.may
D.can
— Sorry, my parents said that I be at home early.
A.need
B.must
C.may
D.can
答案
B
解析
根据题意,— 我们放学后去玩滑板好吗? — 对不起,我父母说我必须早点回家。A. need需要;B. must必须,一定;C. may可以,可能;D. can能,会。结合句意和语境可知选B。
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