I have heard a lot of good things about you ________ I came back from abroad.(2013·陕西，18)
| A．since | B．until |
| C．before | D．when |
You may___________he will come here to give us a hand.
| A．rely on | B．rely on it | C．rely on that | D．rely on it that |
Many audiences listened to his speech very attentively from the very beginning to the end, my parents ___________.
| A．included | B．containing | C．including | D．contained |
___________the car came out, we started doing market research.
| A．Before long | B．Long ago | C．Long before | D．Soon before |
.It is said that pandas ___________ in our country year after year.
| A．are being disappeared | B．are disappearing | C．will be disappeared | D．will disappear |
This kind of bird is ___________ , and we should do what we can to it.
| A．dangerous, save | B．endangering, protect | C．in dangers, save | D．in danger, protect |