2019年mpacc考试英语真题——连词639

{01}I think I was at school,  ______I was staying with a friend during the vacation when I heard the news.

A.even so	B.and then
C.so that	D.or else

解析：选D。or else 用作连词，意为“否则；不然”，其余各项与语境相悖。
本题选D。
{02}You may borrow this book ­­­ ________ you promise to give it back.

A.in case

B.so long as

C.as if

D.even if

解析：so long as="so" long as, 意为“只要”，表示条件。句意为“只要你答应归还，你就可以把这书借走”。
本题选B。
{03}The roof fell ________ he had time to dash into the house to save his baby.

A.as

B.after

C.until

D.before

解析：本题考查before引导的时间状语从句，意为“在……之前”。句意为“他来不及冲进去救他的孩子，屋顶就塌了”。
本题选D。