Question

【题目】You are supposed to bow when you meet someone from Korea.
A.must
B.should
C.would
D.can

Answer 1

【答案】B
【解析】句意：当你遇到来自韩国的人时，你应该鞠躬。A. must必须，强调主观上的愿望；B. should应该，表示责任与义务；C. would要，将要；D. can能，会，表示能力。Be supposed to 表示“应该”，故选B。