—Don’t step on the grass next time, Mike.
— _______.
| A．Is that so? | B．Don’t worry |
| C．I don’t know | D．Sorry, I won’t. |
Not only Kate but also Mary _______ interested in cooking.
A. is B. are C. be
—Why don’t you buy the computer?
—It costs too much. I can’t ________ it.
A. afford B. borrow C. sell
English is useful. Let’s try _______ best to learn it well.
A. us B. our C. ourselves
We can get _______ touch with David on the Internet.
A. in B. on C. to
—May I have _______ bill, please?
—Let me see. It’s￥150.
A. a B. the C. /