The flu is believed____ by viruses that like to reproduce in the cells inside the human nose and throat.
| A．causing | B．being caused | C． to have caused | D．to be caused |
The old black woman used to tell stories under the tall tree, her grandchildren ______ around and ______attentively.
| A．seating; listening | B．seated; listened | C．seating; listened | D．seated; listening |
According to _______ recent report, large ice cream producers usually havebetter production record.
| A．a; the | B．不填; a | C．a; a | D．the; the |
—I should have spent more time on English, otherwise I wouldn’t have failed in the exam.
—You are right.
| A．Where there is a will, there is a way. |
| B．One without wisdom is more misfortune than without money. |
| C．No pains, no gains. |
| D．Goals determine what you are going to be. |
The door opened and in we had never seen before.
| A．did a tall man come |
| B．a tall man did come |
| C．came a tall man |
| D．a tall man came |
A week has passed and still nobody has claimed the necklacein the theater.
| A．discovered | B．discovering | C．to be discovered | D．having discovered |