He started to learn English in 1990 and in the years ________ he kept on using it in his work.
They were surprised that a child worked out the problem _____ they themselves couldn’t.
In the evenings he ______ in his books .
Can you give me some _______ about the market today?
Please accept this present _____ all your help. A. in return for B on return for C. in return with D. on return with
Much ______ to be done.