Oh, it tastes quite good. May I have _________ cup of coffee —OK. Here you are.

I couldn’t wait_______ the box as soon as I received the gift.

Chairman (主席) Xi asks us strict economy (厉行节约) in our daily life.

It just isn’t fair ________ I was working as a cleaner last month; my friends were on a visit to Dalian.( 2012·湖北八校联考)

Do you practice how to escape from dangers every term—Of course. Our school pays much attention to the ______ of safety.