He is wearing sunglasses to ______his eyes from the strong sunlight.
A.protect | B.hold | C.stop | D.prevent |
Quite a few tall buildings _______ the last two years.
A.have been put up | B.were put up | C.had put up | D.put up |
Man-made-satellites______ into space by many countries.
A.was sent up | B.is sent up | C.have been sent up | D.has been sent up |
I _______ all the words on the black board. May I go home now?
copy B. will coup C. copied D. have copied
Nobody knew _______ a living in that country.
A.to do | B.to make | C.how to do | D.how to make |
The old man needs at most five hour’s sleep a night ,but he__________ for over seven hours tonight.
A. has fallen asleep B has slept C has gone to bed D. has gone to sleep