He asked us to him ______ carrying through their plan.
| A．assist; with | B．help; to | C．assist; in | D．help; with |
We all know that, __________, the situation will get worse.
| A．not if dealt carefully with | B．if not carefully dealt with |
| C．if dealt not carefully with | D．not if carefully dealt with |
---How’s your tour around the North Lake? Is it beautiful?
---It ________ be, but it is now heavily polluted.
| A．will | B．would | C．should | D．must |
I won’t call you, ________ something unexpected happens.
| A．unless | B．whether | C．because | D．while |
---The last one __________________ pays the meal.
---Agreed!
| A．arrived | B．arrives | C．to arrive | D．arriving |
---It’s a long time since I saw my sister.
---_______________ her this weekend?
| A．Why not visit | B．why not to visit |
| C．Why not visiting | D．Why don’t visit |