Question

There were dirty marks on her trousers _______ she had wiped her hands.? A．where B．which? .

There were dirty marks on her trousers _______ she had wiped her hands.? A．where B．which? C．when D．that?

Answer 1

A

此题考查定语从句。由于从句中主谓宾完整，所以只能加状语，而且前面有on her trousers表地点，所以用关系副词where引导定语从句。