Now a lot of new technologies can ___________ problems in industry.
| A．be applied to solve | B．be applied to solving |
| C．apply to solve | D．apply to solving |
—I hear Robert has gone to Harvard University for his masters degree.
—Oh,how nice!Do you know when he ?
| A．was leaving | B．left |
| C．had left | D．has left |
—Sam speaks English like a native.I always admire him.
—Now he is learning more difficult language—Arabic.
| A．an;a | B．/;the | C．/;a | D．the;a |
—Do you regret having left your first job?
—Why should I?I as much,but I enjoy more of it.
| A．didn’t earn | B．don’t earn |
| C．hadn’t earned | D．haven’t earned |
Customs are different the area.
| A．from | B．depending on |
| C．between | D．according to |
She didn’t have enough money a present for her husband.
| A．with which to buy | B．with that she bought |
| C．which she could buy | D．with buying |