2019年mpacc考试英语真题——连词981

{01}Jack had traveled six miles across the Channel___________his engine failed and was forced to land on the sea .

A.when

B.until

C.after

D.since

解析：略
本题选A。
{02}. They traveled on horseback for many days and reached ______ is now Gum Tree.

A.that

B.where

C.it

D.what

解析：略
本题选D。
{03}The experiment is of particular importance.
—I see. We will carry on with it ________ we can get enough money.

A.unless

B.though

C.whether

D.until

解析：略
本题选C。