2019年mpacc考试英语真题——连词353

{01}She had just finished her homework _____ her mother asked her to practice playing the piano yesterday.
A.when
B.while
C.after
D.since
解析：
本题选A。

{02}Don"t give up regardless of difficulty and failure, _____ you"ll never achieve your goals.
A.and
B.but
C.or
D.so
解析：
本题选C。