The world has twice as much shipbuilding_______ as it needed in the 1980s

. —________ do you eat junk food— Never.

Who is knocking at the door—It beMiss Zhang.Because she has just gone to Japan.

In the office I never seem to have time until after 5：30 pm, _____ many people have gone home.

Why didn’t you chat with that friendly foreigner just now?— I’d like to, but the trouble was ________ he said was difficult for me to understand[ ]