高级词汇构造：复杂前缀（over-, under-, out-）。第7套是对B2/C1水平英语写作的高中毕业生的挑战。练习最困难的转换！
Never 社交媒体的力量。 [ESTIMATE]
The doctor told him he was and needed a diet. [体重]
The defending soldiers were heavily . [NUMBER]
Teachers often complain that they are . [PAY]
He has 他的衣服 from last year. [GROW]
The train was so that I couldn’t find a seat. [人群]
Don’t it; just 运动 for 30 minutes a day. [DO]
I realized the shop assistant had 我 10 dollars. [CHARGE]
Our proposal was by the opposing party. [VOTE]
The hospital is terribly during the night shift. [STAFF]