Mary couldn’t________ the terrible working conditions in that factory and resigned last week．
| A．catch up with | B．keep up with |
| C．put up with | D．come up with |
—Do you think it's going to rain over the weekend？
—_____ .
| A．I don't believe | B．I don't believe it | C．I believe not | D．I believe not so |
—I'll be away on a business trip. Would you mind looking after my cat？
—Not at all. _____ .
| A．I've no time | B．I'd rather not | C．I'd like it | D．I'd be happy to |
I will never forget the days _____ we spent together in the country.
I will never forget the days _____ we worked together in the country.
| A．on that | B．where | C．that | D．when |
Peter _____ come with us tonight, but he isn't very sure yet.
| A．can | B．may | C．must | D．will |
Jenny _____ have kept her words. I wonder why she changed her mind.
| A．could | B．might | C．would | D．should |