问题

_______ to catch the early train,but I didn’t get up in time I have to stay here for another two days

A:Before
B:Since
C:As
D:When

正确答案是：

同类题型

More than thirty students competed _____ each other in the composition competition.— But they could only compete _____ three medals[ ]

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birthday, Alice! So you have_________ twenty-one already!

__ in thought, he didn’t notice mewhen I came into his room.