企源知识库

Since he______ taking exercise, he has gained weight greatly.
A、gave in
B、gave up
C、gave off
D、gave out
【正确答案】：B
【题目解析】：gIve in 屈服；give up 放弃；give off 发出；give out 发出；句意：自从他开始_____锻炼以来，他的体重大大增加了。B 符合题意。