You needn’t take an umbrella.It isn’t going to rain.—Well，I don’t know.It________do.

He had planned to make a compromise, but ______ hechanged his mind at the last minute.

I’m sorry you’ve been waiting so long, but it’ll still be some time _________ Brian gets.back.

built wooden cottages line the street, _______ the old town into a dreamland.

While Jim ______the floor, someone ______atthe door.