.
I’ll go to America to strengthen my English _______it isn’t too expensive.
| A．except | B．provided | C．assumed | D．unless |
Every year a flood of farmers arrive in Shenzhen for the money-making jobs they __________ before leaving their hometowns.
| A．promised |
| B．were promised |
| C．have promised |
| D．have been promised |
Most students expect __________ more review classes before the exams.
| A．it to be |
| B．there to be |
| C．that to be |
| D．to be |
-Do you mind if I close the window?
-__________. We should let in more fresh air.
| A．Yes, go ahead |
| B．Of course not |
| C．I would like to close it |
| D．I'd appreciate it if you didn't |
-Are you bored with working with children all day?
-Bored? __________
| A．It's hard to say. |
| B．How do you find it? |
| C．I get a kick out of it. |
| D．it all depends. |
Our government means to __________ the gap between the rich and the poor by increasing the tax on one's income.
| A．cover |
| B．measure |
| C．expand |
| D．narrow |