---I’m terribly sorry to have put you to so much trouble. ---______. You didn’t mean to, did you?a. forget it b. no trouble c. all right d. you’re welcome
There's a collection of short stories by Mr. Wang that has just _________
—I'm sorry to have hurt you. —Forget it. You didn't mean _________,did you?
I think that the problem should be dealt with by the government _________ ordinary people.
Although some unexpected difficulties have _________ in the process, we are confident that we can handle them.
—Some people believe that robots will take over the world one day. —What if that is the _________?