799. You look upset.What's the matter?

I had my proposal ______ again.

A.turned over

B.turned on

C.turned off

D.turned down

400.He decided that he would drive all the way home instead of _____ at a hotel for the night.

A.putting down

B.putting off

C.putting on

D.putting up

799.答案是D；

考查动词短语的辨析。turn over翻身，翻转，把...移交；turn on打开（水龙头、电视、收音机、灯、煤气等），turn off关掉（电器、水龙头等）；turn down关小（音量等），拒绝。根 据句意选D。

800.答案是D；

考查动词短语的辨析。put down放下，平定，镇压，记下;put off 推迟;put on穿上，戴上，上演，假装，增加;put up举起，建立，张贴，投宿。句意:他决定一路驾车回家，不在旅馆留宿。