How much did the old man________you for repairing your bike?—Five yuan. The price is very low.[ ]

It was not until midnight _________ his father came back.

ago we didn’t know this, but recent sciencestudy ________that people who don’t sleep well soon get ill.

Many people have been out of work in China— And _____ that the government is always taking measures to increase the number of employment[ ]

Boris has a good brain. In fact, I don’t think that anyone in the class has________ IQ.