Most birds find it safe to sleep in the trees, but ____ they have eggs or young chicks, they don’t use a nest.
A.why | B.how | C.unless | D.where |
Unlike a stage actor, a film actor must be able to perform small scenes out of ________ and often days apart in time.
A.compliment | B.strategy | C.interruption | D.sequence |
The lead singer was ill and couldn’t sing that night, and her _______ didn’t perform well, which made the audience disappointed.
A.attitude | B.substitute | C.institute | D.altitude |
There are solid reasons for China to claim ownership of the Diaoyu Islands, which lie about 200 miles the eastern coast of our country.
A.to | B.on | C.off | D.of |
My visit to your school is really an unforgettable experience, I will always treasure.
A.that | B.one | C.it | D.what |
—Did you look up the time of the high-speed trains to Shanghai?
—Yes, the early train is to leave at 5:30 a.m.
A.likely | B.possible | C.due | D.about |