There is something wrong with my TV set:I must have it _____.
A. checking
B. cheek
C. to check
D. checked
A. checking
B. cheek
C. to check
D. checked
【答案】
A. checking
B. cheek
C. to check
D. checked
A. checking
B. cheek
C. to check
D. checked
【答案】
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