We didn"t start our discussion _____ everybody arrived. [ ]A. since B. if C.

题型：上海中考真题难度：来源：

We didn"t start our discussion _____ everybody arrived.

[ ]

A. since
B. if
C. while
D. until

答案

举一反三

I was told to meet Mr. Green at the airport. But I don"t know ______ he will arrive.

[ ]

A. where
B. why
C. how
D. when

题型：陕西省中考真题难度：| 查看答案

Don"t forget to wash your hands ______ you have meals.

[ ]

A. before
B. until
C. though
D. unless

题型：山东省中考真题难度：| 查看答案

__________ they have some opposite views, they all think Chinese medicine is helpful.

[ ]

A. Until
B. Although
C. Since

题型：山西省中考真题难度：| 查看答案

I won"t pass the exam ______ I work hard.

[ ]

A. whenever
B. because
C. if
D. unless

题型：山东省中考真题难度：| 查看答案

Because I got up very late this morning, ______ I was late for class.

[ ]

A. but
B. /
C. so

题型：四川省中考真题难度：| 查看答案