Mary and Joy are ____ Class One. They are ____ the USA. A. from; in B. in; from C. to; from D. in; to
Not all the students would rather______computer games than_______
The railway_______Qinghai to Tibet is the longest plateau (高原) railway in the world.
If we don’t study hard, we will in our class.
---- _______you ________my cake? ----Yes, I’ve _finished it.
Scientists are trying their best to _______ways to treat the terrible disease called H7N9.