---How amazing it is that astronauts are exploring outer space!----- It’s a challenge, I guess, man against nature.
As a result of the heavy snow,two-thirds of the buildings in the area .A. need to repair B.needs to repair C.needs repairing D need repairing.
—It’s only ten minutes’ walk; I could have got there on foot. — Yes. A taxi _______ not at all necessary.
His suggestion made me angry, but _______.
— I haven’t finished my task yet. — You shouldn’t have watched the film last night, or you _______ it by now.A, need have finished B. may have finishedC. should have finished D. will have finished
It’s only six o’clock now; Little Tom should be up ,though, because he _____ for nine hours.