1. His talk on Information Technology is worth ____________.
A. listening to B. being listened to C. listening D. to be listened to
2. The man you had been thinking highly ____________ dishonest.
A. of proving B. of proved C. of to prove D. of being proved
3. About two hundred people are working in his company now, most of ________ were once out of work.
A. them B. who C. that D. whom
4. As is known to us all, China is a developing country ____________ the third world.
A. belonging B. belonged C. belonging to D. belonged to
