His eyesight is poor; he ( ) wear glasses at least in class.

His eyesight is poor; he ( ) wear glasses at least in class.
A、can
B、must
C、may
D、could
【正确答案】：B
【题目解析】：考核情态动词的使用，must 强烈推断，句子含义是他的视力很弱，至少在上课时他一定要戴眼镜。