You should try to get a good night sleep____ much workyou have to do.

The motorcycle competition in the desert, ________ lasted ten days, is over now.

It’s more than half a century _____ mygrandfather joined the Party and became a servant to the people

Helen always helpsher grandmother even though going to school ____ most of her day. [ ]

Zhang Guoli ________ the public ________ his son’s misbehavior.