Soon, his warm, inviting smile put me , and spent the next two hours talking casually.
| A．at attention | B．at ease | C．at best | D．at a loss |
--- What time is it?
--- I have no idea. But just a minute, I ______ it for you.
| A．check | B．checked |
| C．will check | D．would check |
Last night, there were millions of people _______ the opening ceremony live on TV.
| A．watch | B．to watch |
| C．watched | D．watching |
Some animals carry seeds from one place to another, ______ plants can spread to new places.
| A．so | B．or |
| C．for | D．but |
The crazy fans___________ patiently for two hours, and they will wait till the movie star arrives.
| A．are waiting | B．had waited |
| C．have been waiting | D．will wait |
When ____ to danger and conflict, men tend to increase blood pressure, ____ nervous or anxious.
| A．exposed; felt | B．exposing; felt |
| C．exposed; feeling | D．exposing; feeling |