题目内容
If you are weak ____ a subject, ______your teacher for advice can help.
| A．to, asking | B．in, ask |
| C．to, to ask | D．in, asking |
B
解析试题分析：句意：如果你有一科弱，那就向老师寻求能帮助你的建议。In 在; 主句为祈使句时，If条件状语从句用一般现在时，故选B.
考点：考查if条件状语从句
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