Question

【题目】There's ________ umbrella behind the door. It's made of silk.

A. a B. an C. the

Answer 1

【答案】B

【解析】在门后面有一把雨伞。它是丝质的。根据句意可知这里表示类别，所以用不定冠词。根据umbrella以元音音素开头，故选B。