(2010·辽宁高考)Doctors say that exercise is important for health, but it be regular exercise.

发布时间：2020-08-17 09:34:29

(2010·辽宁高考)Doctors say that exercise is important for health, but it      be regular exercise.
A. can
B. will
C. must
D. may

网友回答

A. can
B. will
(答案→)C. must
D. may
解析：选C　考查情态动词。句意：医生说，锻炼对于健康很重要，但是必须是有规律的锻炼。情态动词must表示“必须”，符合语意。
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