问题
We only live once, but if we live a wonderful life, once is enough.— ________ I agree.
A:once or twice
B:one time or two time
C:once time or twice
D:once or two time;
B:one time or two time
C:once time or twice
D:once or two time;
正确答案是：
同类题型
A new regulation has passed for bidding supermarketsand stores to ____ free plastic bagsto shoppers.
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Sorry, I have no time left nowCan we discuss the matter ________ supper?
Many people believe that ______ will take years to develop a car that does not pollute the air. [ ]