To complete the project as planned, the workers were busy working all day, only ______ a short rest once in a while.
How happy we _______, if you had come with us to the party.
It is required that no smoking ______ in the school.
The dress is not ______ for the formal party. You’d better find another one.
He was unable to make such progress, _______.
—Did you remember to give Jenny the video tape?—Yes. _______ I saw her.