Usually we don"t realize how important nature is to us ______ it is too late. [

题型：山东省中考真题难度：来源：

Usually we don"t realize how important nature is to us ______ it is too late.

[ ]

A. unless
B. until
C. if
D. after

答案

举一反三

You won"t pass your exams _____ you work harder.

[ ]

A. when
B. if
C. unless
D. after

题型：广东省中考真题难度：| 查看答案

"You can"t have this football back _____ you promise not to kick it at my cat again." the old man said angrily.

[ ]

A. because
B. since
C. when
D. until

题型：江苏中考真题难度：| 查看答案

He didn`t tell me anything ______ he left.

[ ]

A. until
B. before
C. after
D. since

题型：山东省中考真题难度：| 查看答案

The kids didn"t start to fly kites in the playground _____ the rain stopped.

[ ]

A. if
B. until
C. whenever

题型：四川省中考真题难度：| 查看答案

We have been good friends ____ we joined the same ping-pong team.

[ ]

A. after
B. before
C. since
D. until

题型：陕西省中考真题难度：| 查看答案