It is because English is being widely used at present_________．
| A．why we learn it hard | B．that we learn it hard |
| C．which we must learn | D．when we should learn |
Eliza remembers everything exactly as if it _________ yesterday.
| A．was happening | B．happens | C．has happened | D．happened |
——Do you think it necessary that he ________ to Miami but to New York?
——I agree， but the problem is ________ he has refused to.
| A．will not be sent; that |
| B．not be sent; that |
| C．should not be sent;what |
| D．should not send; what |
I told your friend how to get to the hotel， but I perhaps I __________ have driven her there.
| A．could | B．must | C．might | D．should |
——My cat’s really fat.
——You____________have given her so much food.
| A．wouldn’t | B．couldn’t |
| C．shouldn’t | D．mustn’t |
Thank you for all your hard work last week. I don’t think we ____ it without you.
| A．can manage | B．could have managed |
| C．could manage | D．can have managed |