The railway _______ Qinghai to Tibet is the longest plateau (高原) railway in the world.
| A．connected | B．connects |
| C．connecting | D．is connected |
- I'm very worried about tomorrow's test. I am afraid I can't pass this time.
-_ ! I'm sure you'll make it.
A. Of course. B. Cheer up C.That's right.
Kate has gone to the library. I wonder_ _ _
A, when she will come back
B. when she came back
C. when will she come back
When the monkeys see the keepers, they run over with_ .
A. excited B. excitingC. excitement
We had_ awful weather_ we couldn't finish the work on time
A. so, that B. such, that C. such an, that
Don't forget to_ the lights before you leave the classroom.
A. turn off B. turn down C. turn up