all the students went to Beijing for a visit, we couldn"t

题型：广东省竞赛题难度：来源：

all the students went to Beijing for a visit, we couldn"t find anyone in our classroom. [ ]
A．Because; so
B．Because; but
C．Because; /

答案

举一反三

You will fail the test ______ you work hard. So work hard from now on! [ ]
A. if
B. as soon as
C. unless
D. even though

题型：广东省月考题难度：| 查看答案

You can"t pass the test you work hard.[ ]
A. if
B. after
C. when
D. unless

题型：0122 期中题难度：| 查看答案

You will fail your next exam ______ you start to work hard at your studies now. [ ]
A. because
B. unless
C. so
D. if

题型：重庆市期中题难度：| 查看答案

We must run ______ we will miss the first train. [ ]
A．so
B．though
C．otherwise
D．but

题型：期中题难度：| 查看答案

______ Robert got badly ill, he didn"t stop working. [ ]
A．If
B．Even though
C．And
D．Unless

题型：期中题难度：| 查看答案