Question

Bad habits are easily _______ while good ones are hard to develop.

A．kept up	B．caught up?
C．drawn up	D．picked up?

Answer 1

D?

本题考查动词短语。pick up“拾起；(跌倒后)再爬起来；振作精神；(车/船)在途中搭人/带货；(未经正式介绍)结识朋友；无师自通地学会；(偶然、无意地)学会(语言、技术等)；恢复健康”。