【题目】She was so sad because she failed in the math test. Let's ______ her _______.
A.leave; behind
B.leave; alone
C.leave; aside
D.leave; out

【答案】B
【解析】考查动词短语。leave behind楼后；leave alone不理睬，不干涉，不打扰；leave aside不管，不顾，放在一边；leave out遗漏，省略；句意：她如此难受是因为他数学考试不及格，我们还是不打扰他吧！根据句意说明B正确。