When the thief found the police had already him, he ran away quickly.
| A．realized | B．known | C．spotted | D．stared |
They _____ on the program for almost one week before I joined them, and now, we ____on it as no good results have come out so far.
| A．had been working; are still working |
| B．had worked; were still working |
| C．have been working; have worked |
| D．have worked; are still working |
Lacking rain, many river in Yunnan province have ______ recently.
| A．dried up | B．dried out | C．dried off | D．dried at |
A few years ago, My Heart Will Go On was a popular song among young people, ______ were often heard singing it at parties.
| A．who | B．which | C．they | D．that |
Stand over there ___ you’ll be able to see the oil painting better.
| A．but | B．till | C．and | D．or |
John went to the hospital alone. If he me about it, I would have gone with him.
| A．should tell | B．tells | C．told | D．had told |