Thecleanershaveto         rubbishtokeepourcityclean.A.t...

问题详情：

The cleaners have to          rubbish to keep our city clean.

A. turn up             B. pick up           C. fix up           D. give up

【回答】

B  turn up“调大”；pick up“捡起”；fix up“修理”；give up“放弃”。句意：清洁工人必须捡起垃圾来保持城市清洁。由句意可知只有B项符合语境，故选B。

知识点：动词和动词短语

题型：选择题