2019年mpacc考试英语真题——连词43

{01}The price of gold still remains at high, _________ it saw some downturn recently．
A.as long as
B.however
C.even though
D.as though
解析：
本题选C。
{02}A composer writes a work, but no one can hear it ________ it is performed．
A.when
B.until
C.before
D.after
解析：
本题选B。