{01}—Why didn’t you try your best to get on the bus? —I tried to , but _______ I could, it started moving.
A.before
B.when
C.until
D.after
解析:考查连词。before 在什么之前,还没来得及,when 当什么时候,until 直到,after 在什么之后,句意:你为什么不努力上公交车呢?我努力了,但是我还没来得及上车,车就开始走了。所以选A。 本题选A。 {02} The road is covered with ice. I can’t understand they insist on going by bike.
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