Only when class began ____that he had left his book at home[ ]

The house is dangerous to live in. It should be

___________ the little boy John they wouldall have died from the gas leakage.

I didn’t see you last night. Where did you go—I went to see a movie called Coming Home was directed by Zhang Yimou.

id he want to know, Anne —He asked ____________we could finish painting theroom.