2019年mpacc考试英语真题——连词817

{01}154. Using renewable energy is a simple idea, but ______ we find it hard to put into practice.

A.one

B.what

C.which

D.That

解析：略
题选A。
{02}29．What troubles her is that she can’t buy_____she wants with the money she earns．

A.whatever

B.whichever

C.however

D.Whenever

解析：略
本题选A。
{02}25. Sara said that she had to finish the experiment_____ week.

A.this

B.that

C.next

D.the next

解析：略
本题选B。