. My study of biology has ___C___ much of my spare time， but it has given me a great deal of enjoyment.
| A．taken off | B．taken down | C．taken up | D．taken away |
______the morning train，he would not have been late for the meeting．
| A．Did he catch | B．Should he catch |
| C．Had he caught | D．Has he caught |
Most people agree________matters is not one’s looks，but one’s inner thoughts．
| A．that | B．where | C．what | D．how |
Broke Girls，_______popular TV series，has aroused craze and sympathy among young．
| A．/，the | B．a，the |
| C．/，the | D．the，the |
Nearly a century later，extensive observations_______that elephants indeed remember injuries and hold hates against their abusers．
| A．confirmed | B．have confirmed |
| C．will confirm | D．had confirmed |
—I wonder if I could use your cellphone．
—_______．It is on the desk next to you．
| A．No way | B．That's right |
| C．It’s a pleasure | D．Be my guest |