More than twenty_____students are having an important exam at the moment.
| A．thousands | B．thousands of | C．thousand | D．thousand of |
－I’ll go to Hong Kong for a 7-day holiday next week. I’m so excited!
－___________
A. Have a good trip!
B. I wish you success!
C. That’s a good idea.
There are some factories ________waste water into the stream.
A. pourB. pouringC. poured
I still felt very happy , ________ I had no time..
A. but B. and C. though
— How do you like the book?
— It’s too boring._______ of us likes it.
A. None B. BothC. All
— Our classroom is clean every day.
—___________.It’s our duty to keep it clean and tidy.
A. So we are
B. So is it
C. So it is