| 1. 单选题 | |
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With the Entrance Exam approaching, I feel more and more stressed. It will ruin my college dream _____ I take action now as soon as possible.
A . since
B . once
C . until
D . unless
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| 2. 单选题 | |
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Since I have little work experience, I will have to take a series of unpaid internships ______ I could find my ideal job.
A . before
B . after
C . as
D . when
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| 3. 单选题 | |
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— I am going to Hainan for my holiday.
— OK. Have fun ________ you can. The hard times are approaching.
A . until
B . before
C . unless
D . while
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| 4. 单选题 | |
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Several weeks had gone by ________ I realized the painting was missing.
A . as
B . since
C . when
D . before
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| 5. 单选题 | |
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—He is a real sportsman______ he is not very well-known.
—______. Besides, he is young.
A . though; I am afraid not
B . since; You are sure
C . even if; I agree absolutely
D . because; That's that point
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| 6. 单选题 | |
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______the damage is done, it will take many years for the farmland to recover.
A . Until
B . Unless
C . Once
D . Although
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| 7. 单选题 | |
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online shopping has changed our life, not all of its effects have been positive.
A . Since
B . After
C . While
D . Unless
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| 8. 单选题 | |
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______the sales figure of the new range of products is relatively small, the potential market is large.
A . Unless
B . After
C . Since
D . While
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| 9. 单选题 | |
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You can phone your friend at work _____ you don't make a habit of it.
A . as if
B . even though
C . as long as
D . in case
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| 10. 单选题 | |
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The economical car is big enough for a family of three _______ you need more space for baggage.
A . once
B . because
C . unless
D . if
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