------Excuse me, what do you call this in English?------It’s a map. Usually it _____ for sending letters.A. uses B is using C. is uesd D. will be used
At the science museum,the boys and girls get to know__________.
The more you smile, the ___________ you will feel.
We should study the new traffic rules and 1earn how___________ ourselves.
--- Does Ted tell you if he _______________ next Sunday? --- No, he does’t. But if he ________________, I’ll give you a ring.
Tom ______________ sending e-mails _____________ letters.because it is faster.