2019年mpacc考试英语真题——连词332

{01}Tom and David are both my good friends. David seems very serious, _____ Tom has a good sense of humor.
A.when
B.where
C.which
D.while
解析：
本题选D。

{02}There are many kinds of sports , _____ my favorite is swimming .
A.as
B.then
C.so
D.but
解析：
本题选D。