—I’m sorry for keep you waiting long.
—_______________________.
| A．You’re welcome. | B．Why did you say so. |
| C．All right. | D．Never mind.. |
He had to give up his job ___________his illness.
A. because B. because of C. instead of
It’s easy to _____ this math problem.
A. work out B. find out C. look out
Japan is ________ the east of China.
A. in B. on C. to
The traffic sign “
” means “__________”.
A. go B. stop C. danger
—Would you like to go with me?
—I’d like to, _________ you don’t want to go alone.
A. until B.ifC.after