I used to _________. But now I get used to _________doing everything. I’m successful at last.A. give up; keeping B. giving up; keeping C. giving up; keep
When I was in the USA,I had difficulty ______ English, so I often ask Paul ____ help.
The river is too wide for the swimmers _______________.
I don’t know ______ with this problem. It’s too hard.
The notebook ___________ be John's .There is his name on it.
_____you go, ____you do in your school, You must obey the rules.