问题标题:
Visittheoldmanthisafternoon?Ifyou_____,makesureyouwearsunscreenstoprotectyourskin.()A.mustB.canC.mayD.shall
问题描述:
Visit the old man this afternoon?If you _____,make sure you wear sunscreens to protect your skin.()
A.must
B.can
C.may
D.shall
蔡洪学回答:
答案A.must"非得,必须",表示义务、意图或建议;can"能",表示某人具备的能力;may"可以",表示许可或征求对方的许可;shall"应该",表示劝告,建议语气.根据句子所表达的意思可知答案选A.
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