单选题 Body language contains a lot of information. So, ______your body language.

单选题 Fast delivery is important. Now our customers can ______ their orders (订货) within 2 days.

单选题 The hours ______ the children spend in their one-way relationship with television people undoubtedly affect their relationships with real-life people.

单选题 Smith never went to see his wife again, ______ to apologize.

单选题 Catching crabs in the bay is profitable, but ______ for bass in the river is more relaxing.

单选题 ______ receiving financial support from family, community or the government is allowed, it is never admired.

单选题 When checking in, you need to show your ticket and ______.

单选题 Finding a good job and ______ were Larry's main goals.

单选题 ______ much is known about what occurs during sleep, the precise function of sleep and its different stages remain largely in the realm of assumption.