We should never ever forget about the war in Iraq and the sufferings(苦难) ______caused to the people there.
We ________ last night, but we went to the concert instead.
.---I’m terribly sorry to have put you through so much trouble. --- ________. I know you didn’t mean to.
A study shows that students living in non-smoking dormitories are less likely to ________ the habit of smoking.
.--- ______,he knows a lot of things.
The play had already been on for quite some time when we __ at the New Theatre.