1、Feeling tired all the time is a ______ that you may be sick.(单选题)
A. mark
B. sight
C. sign
D. trace
试题答案:C
2、This bird’s large wings ______ it to fly very fast.(单选题)
A. able
B. enable
C. unsure
D. cause
试题答案:B
3、If the building project ______ by the end of this month is delayed, the construction company will be fined.(单选题)
A. being completed
B. completed
C. to be completed
D. completing
试题答案:C
4、
(单选题)
A. large
B. small
C. new
D. grand
试题答案:B
5、It is important to have your eyes examined regularly to check for any sign of eye disease that may not have any ______ .(单选题)
A. symptom
B. similarity
C. sample
D. shadow
试题答案:A
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