Tom wants to be_______ engineer when he ________

试题详情及答案解析

Tom wants to be_______ engineer when he _________up.

A．an ; grows;	B．an; will grow
C．a; is growing	D．the; grow

答案：A

试题分析：句意:汤姆长大的时候想当一个工程师。engineer以元音开头，所以用an；When引导的时间状语从句用一般现在时态，动词用第三人称单数grows。故选A。
考点：考查冠词和动词。