----What are you going to do on May Day?---- . If weather permits, I may go mountain-climbing with my friends.
Half an hour later, Lucy still couldn’t get a taxi _______ the bus had dropped her.
It was John who broke the window. Why are you talking to me as if Iit?
--- Is it true that Mike refused an offer from Yale University yesterday? --- Yeah, but I have no idea _______ he did it; that’s one of his favorite universities.
Group activities will be organized after class _______ children develop team spirit.
--- I spent two weeks in London last summer. --- Then you must have visited the British Museum during your stay,you?