第二部分：英语知识运用（共两节，满分45分）
第一节：单项填空（共15小题；每小题1分，满分15分）
21．I was under ________ pressure from my parents to become _________ engineer.
A．the; an B．the; the C．a ; / D．/ ; an
22．I didn’t know how to work out this problem. _______, there was nobody who could help me.
A．To make matters worse B．That’s to say
C．or rather D．In other words
