2019年mpacc考试英语真题——连词1109

{01}We were about to go outing______ it began to snow heavily.    

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。
本题选A。
{02}25. These photos reminded him of the places ________he visited last year.

A.which

B.that

C.不填

D.all above

解析：略
本题选D。
{03}I think it’ll take at least another two months _______ the shopping center is completed.

A.until

B.before

C.when

D.as

解析：考查句型it will take +段时间 +before… “要过…才…”句意：我认为至少再过两个月购物中心才能建成。
本题选B。