题目内容
If you suffer an injury during ______ exercise, or if _______ pain or discomfort makes you think an injury is developing, stop right away and call me.
A. the; a B. 不填; the C. an; the D. 不填; 不填
D
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题目内容
If you suffer an injury during ______ exercise, or if _______ pain or discomfort makes you think an injury is developing, stop right away and call me.
A. the; a B. 不填; the C. an; the D. 不填; 不填
D