问题
选择题
These teams, which _____twenty experienced workers, are working hard here to ___the time they have lost before.
A．are made up of; make up of
B．are made up of; make up for
C．make up; make up for
D．make up for; make up
答案
答案：A
考查短语。be made up of 由…组成；make up化妆，编造，弥补，组成；句意：那些由20个富有经验的工人组成的队伍正在努力工作以弥补以前失去的时间。