Tom has been here ________just one year, but his father has worked here
________ ten years ago.
| A．since; for | B．since; since |
| C．for; since | D．for; / |
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