问题补充:
We were about to go outing it began to snow heavily.
A. when
B. while
C. as
D. until
答案:
(答案→)A. when
B. while
C. as
D. until
解析:考查固定搭配。Be about to do sth when…“刚要…这时”.。句意:我们刚要外出这时天开始下雪。
时间:2018-12-11 21:19:20
We were about to go outing it began to snow heavily.
A. when
B. while
C. as
D. until
(答案→)A. when
B. while
C. as
D. until
解析:考查固定搭配。Be about to do sth when…“刚要…这时”.。句意:我们刚要外出这时天开始下雪。