---How long have you been in London? ---_________.
| A．Three times | B．I was there for a week |
| C．I’d been there for a month | D．I’ve just arrived |
If it ________ tomorrow, we will go to the zoo.
A. isn’t rain B. doesn’t rain C. won’t rain
—Would you mind ________ here? —Sorry, I’ll go ________ else.
A. my smoking; somewhere
B. not smoking; somewhere
C. not smoking; anywhere
We should take care ________ ourselves.
A. to B. for C. of
—What’s wrong with you? — It’s ________.
A. nothing serious
B. serious nothing
C. serious something
We will stay at home instead of ________.
A. walking B. to walk C. walk