It was evening ______ they reached Haikou City.
The foreigner does speak Chinese well, but of course not _____ we Chinese.
The reason _____ he refused to attend the meeting was that they didn’t give him an invitation earlier.
—Thank you for joining in our conversation tonight.—_____.
It was in the street_________ I met Mary yesterday .
Generally speaking, when ____ according to the directions, the drug has no side effect.taking B. taken C. to take D. to be taken