— Could you give _______ an introduction to the new machine?— Of course. I will tell you how to use it.
It's everyone's desire that every effort ___ to realize the China Dream.
At first the officer ______ to make a statement, but later she agreed.
All Mrs Smith's efforts to tidy the room were _____ because her grandson soon made a mess of it again.
___ is left over may be put into the refrigerator, ____ it will keep for two or three weeks.
Modern science has given clear evidence ____ smoking can lead to many diseases.