Question

. You’re so tired. We should have driven the car _____ .

A．by turn

B．in turn

C．in turns

D．on turn

Answer 1

B

短语辨析。by turn 逐个的； in turn 轮流，依次；in turns 无此用法；on turn无此用法。句意：你太累了，我们应该轮流开车。结合语境可知选B。