问题
选择题
You are working too hard.You’d better keep a________between work and relaxation.
(2012·天津，3)
A．promise
B．lead
C．balance
D．diary
答案
答案：C
句意为：你工作太努力了。你最好保持工作和休息之间的平衡。keep a balance保持平衡，符合句意。keep a promise遵守诺言；lead带头，领先的地位；diary日记。