2019年mpacc考试英语真题——介词和介词短语1291

{01}It"s certainly hard work. But, ______, a man who wishes to have a career has to makea great many sacrifices.
A.on the contrary
B.on the other hand
C.for another
D.in addition
解析：
本题选B。

{02}MacDonald who had spent much of his time _____ graduating from college backpacking round Europe,
decided last year to settle down.
A.when
B.while
C.since
D.before
解析：
本题选C。