All the hotels in the tourist attraction were occupied during the Spring Festival, so they had no alternative but to__________ at a small inn for the night.
| A．put up | B．show up |
| C．pick up | D．break up |
Everything went on as usual ______ nothing had happened.
| A．as if | B．even if | C．even though | D．Seemed |
A thief slipped into the room without ______.
| A．seeing | B．noticing | C．to be seen | D．being noticed |
. The happy look on his face suggested that he ________the final examination successfully.
| A．passes | B．had passed | C．would pass | D．should pass |
I would have come sooner but I ________ that they were waiting.
| A．haven’t known | B．hadn’t known | C．don’t know | D．didn’t know |
___________ we should do to protect wildlife?
| A．Do you think what | B．Do you think how |
| C．What do you think | D．How do you think |