---Don’t climb the ladder. It’s broken.
---______
| A．Why not？ | B．Don’t mention it. | C．OK. Thank you. | D．So what? |
the day went on, the weather got worse.
| A．With | B．When | C．While | D．As |
Only when I left my parents for Americahow much I loved them.
| A．I realized | B．I had realized | C．had I realizd | D．did I realize |
My parents live in a small village. They always keep candles in the house ____ there is a power cut.
| A．if | B．unless | C．in case | D．so that |
--- I’m worried about the coming test and I’m afraid I can’t pass it.
--- __________! I’m sure you’ll make it.
| A．Go ahead | B．Good luck | C．No problem | D．Cheer up |
_____ to their own work, most of the parents spend little time with their children.
| A．Devoting | B．To be devoted | C．Having devoted | D．Devoted |