题干
He failed in the math test and looks sad. Let's ___________.
A：put him up
B：set him up
C：cheer him up
D：clean him up
答案(点此获取答案解析）
C
He failed in the math test and looks sad. Let's ___________.
A：put him up
B：set him up
C：cheer him up
D：clean him up
