I hear there will be all kinds of robots________ twenty _____ time .A. after, years B. in, years’ C. for, year’s
----What’s up ? ----I failed in the examination of Physics.
In class I answered the question without hesitation and the teacher praised me .
_____, I have to write the words on the paper because she doesn’t know Chinese.
—He has never been to Beijing. —
I couldn’t wait _____ the box as soon as I received the gift.