Question

The workers in HuaShan Mountains have to     rubbish to keep the mountains clean.

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

Answer 1

B

试题分析：句意：在华山的工人必须捡拾垃圾来保持山的清洁。A. turn up出现； B. pick up捡起；    C. mix up混合； D. give up放弃，根据句意此题选B。