I think that keeping a pet is just ________ trouble. I dislike pets at all.
A. too much B. too many C. too few d. too little
My parents are very strict me because they always worry my success in the future.
| A．in; about | B．with; of |
| C．in; with | D．with; about |
The math question is difficult for the students work out.
| A．too; to | B．so; that |
| C．such; that | D．enough; to |
Some terrorists the music hall in Paris and killed over 100 people on Nov. 13.
| A．came | B．entered | C．went | D．left |
People write letters to friends and relatives, but now WeChat and QQ communicating with others widely.
| A．used to; are used to |
| B．are used to; are used for |
| C．used to; are used for |
| D．are used to; used to |
The weather in Kunming is too cold too hot. People like to live there.
| A．either; or | B．both; and |
| C．neither; nor | D．not only; but also |