Mr Yang is a doctor. He works ____ .
| A．at home | B．in a hospital | C．in a school | D．in a clinic (诊所) |
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
I have _____this book for two weeks. I have to return it now.
A. borrowed B. kept C. had