The doctor suggested he ________with a serious disease and that he ________to hospital at once.
| A．be infected；be sent | B．was infected；be sent |
| C．should be infected；was sent | D．be infected；was sent |
Green organizations are trying to save rain forests that have been _____ by farmers.
| A．created | B．ruined | C．threatened | D．protected |
After dinner he gave Mr Richard ______ ride to ______ Great Wall.
| A．the; a | B．a; the | C．不填; a | D．不填; the |
______ I admit that all these problems are difficult, I don’t agree that they can’t be solved.
| A．Unless | B．While | C．Until | D．Since |
Clothing made of man-made fibers has certain advantages over _______ made of natural fibers like cotton, wool or silk.
| A．the ones | B．one | C．that | D．what |
Believe it or not, I am sure that is _______ people call the sixth sense.
| A．what | B．that | C．which | D．how |