Bob tried to sweet-talk his mother into letting him go out. But when he saw his sweet talk________， he lost his temper.
| A．hadn’t worked | B．wasn’t working | C．isn’t working | D．doesn’t work |
The foreigner does speak Chinese well, but of course not _____ we Chinese.
| A．as fluent as | B．more fluent than |
| C．so fluently as | D．much fluently than |
The reason _____ he refused to attend the meeting was that they didn’t give him an invitation earlier.
| A．how | B．which | C．why | D．because |
—Thank you for joining in our conversation tonight.
—_____.
| A．It’s my duty | B．It’s all right |
| C．It’s my pleasure | D．With pleasure |
It was in the street_________ I met Mary yesterday .
| A．that | B．when | C．where | D．what |
Generally speaking, when ____ according to the directions, the drug has no side effect.
taking B. taken C. to take D. to be taken