The sports meeting has been put off（推迟）the bad weather. —I’m sorry to hear that.

We may find that learning a foreign language doesn’t have to be ______ learning our native language.______, our native language is very difficult to learn.

There’s no ticker left for Lang Lang’s piano concert . you your sister can go to it .

You’re usually such a mild person, but you ______ in a bad mood for the last week.

Tomorrow the mayor is to a group of Canadian businessmen on a tour of the city.[ ]