2019年mpacc考试英语真题——介词和介词短语1286

{01}— _____ when has the country been open to international trade?
— 1978, I suppose.
A.Since
B.In
C.From
D.After
解析：
本题选A。

{02}We give dogs time, space and love we can spare, and _____, dogs give us their all.
A.in all
B.in fact
C.in short
D.in return
解析：
本题选D。