—Why not open the windows to let_____cool air in? —I'd rather you didn't_____air in our town is terribly polluted. A.a;The B/;The C./;/ D.the:/
Mark needs to learn Chinese _______ his company is opening a branch in Beijing.
sales of cars up by 30% last year, the traffic in Beijing has become increasingly terrible.
It is recognized that the part ___ the UN plays in international relations is important.
Who would you rather ______ with the teacher about the problem?
When _____ the letter, tears came to her eyes.