We can easily become unhappy ________ we work out our problems in our daily life

题型：同步题难度：来源：

We can easily become unhappy ________ we work out our problems in our daily life. [ ]
A. after
B. if
C. until
D. unless

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举一反三

______ it got dark, they still worked hard there.        [     ]
A. Though
B. If
C. Since

题型：中考真题难度：| 查看答案

We won"t start the party ________ our teacher comes.         [     ]
A. though
B. or
C. until

题型：中考真题难度：| 查看答案

I like art _____ it"s fun.[     ]
A. but
B. and
C. then
D. because

题型：同步题难度：| 查看答案

—Why does he like science?
—_____ it"s interesting.       [     ]
A. Because
B. And
C. But
D . Then

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I tried to call you  ______ I heard from him, but you were not in.  [     ]
A. since
B. while
C. until
D. as soon as

题型：期中题难度：| 查看答案