—Next Monday is my birthday.
—Is that so? ________
| A．I can’t believe my ears. | B．I’m so glad to hear that. | C．What presents do you want? | D．Many happy returns of the day! |
At the conference, they came up with three different _____ to solving the serious problem.
| A．approaches | B．means |
| C．methods | D．ways |
The music brought the days back to me _____ I was out of work wandering hopelessly on the streets.
| A．until | B．that | C．when | D．which |
Jack is the right person you can rely on to ____ the research when you are on vacation for the next two weeks.
| A．carry on | B．focus on |
| C．take up | D．insist on |
He failed the final examination and only then ____ how much time he had wasted.
| A．he realized | B．had he realized |
| C．he had realized | D．did he realize |
Recently, however, scientists have been finding that long-term use of these fertilizers can cause damage to the land, thus _____it less fertile.
| A．make | B．to make |
| C．made | D．making |