It is thought that one billion people I the world,________is half the word’s workers, earn their living by farming.

wanted to play a trick Tom,but gave himself bylaughing.

is one of the famous tourism destinations, liesDonling, a group of the Qing Imperial Tombs.

I think _____ necessary to accept his advice because it’s of great ______ to me,

The woman______ clothes in the supermarket was taken away by a policeman