Thecleanershaveto         rubbishtokeepourcityclean.A.t...

問題詳情：

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“調大”；pick up“撿起”；fix up“修理”；give up“放棄”。句意：清潔工人必須撿起垃圾來保持城市清潔。由句意可知只有B項符合語境，故選B。

知識點：動詞和動詞短語

題型：選擇題