摘要：10．Bad habits are easily while good ones are hard to develop. A．kept up B．caught up C．drawn up D．picked up 答案 D 解析 句意为:坏习惯很容易养成.但好习惯却很难形成.pick up在句中意思为“得到.学会.听到 等.keep up保持,catch up赶上,draw up起草.草拟.

网址：http://m.1010jiajiao.com/timu3_id_3106223[举报]