1.Taking pictures_________(be) very interesting.
2.________(hear) the bad news made him cry.
3._________(cross) a desert had always been a risk adventure.
4. __________(suffer) from heart trouble for years, Professor White has to take some medicine with him wherever he goes. (上海2001春)
5. I always enjoy ________(listen) to popular music at night.
6. The silkworm is an insect worth _________(know).
7. She went out without _______(say) good-bye to us.
8. He sent me an e-mail, ________(hope) to get further information. (上海2000)
