The key may be in your bag.—.

This is my son.is a student.

Must I finish my composition (作文) right now?－No, you _______.You can hand it in tomorrow.

“I’d like to give my thanks to those__________help my son will be able to survive his terrible disease,” said the woman on TV.

Tom was _____ to finish making the model in an hour, but in fact, it took two hours.