It's a waste of time......................... (think)about how things might have been.
thinking
举一反三
- –What do you think the noise was? –It (__) a cat. A: may be B: might be C: could have been D: might have been
- — How many times have you been to America — It’s the second time I ______ there. A: was B: am C: have been
- Things might have been much worse if the mother ( ) on her right to keep the baby.
- ______ a little more time to think, he might have acted much better.
- How about the man’s plan A: I have finished it. B: It’s not finished. C: It has been finished.
内容
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If you had told me about your problem, I ____ able to help you. A: might be B: may have been C: may be D: might have been
- 1
If you have really been studying English for so long, it’s about time you ____able to write letters in English.
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4. I don't think he ____________ there as no one seems to have seen him.( ) A: should be B: can be C: might have been D: could have been
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________ you are wearing your best clothes today? I think you have good news to tell us. A: How about B: How come C: What time D: Why come
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Though many things have been changed culturally, there is a commitment and sense of responsibility that have not been _____ in today’s society.