must提问要换词吗?例：we must go to school now.(一般疑问） 是Must we go now 吗?还是其他的?

must提问要换词吗?例：we must go to school now.(一般疑问） 是Must we go now 吗?还是其他的? We must We must (clean the classroom).括号内提问 We must shut the window.就shut the window提问 must We must ( )(work)hard. we must call the We must help them? we must help it why we must sleep We must learn it we must find a We must purify the We must value what we we must finish our homework的反意疑问句 是用must、need还是can来提问 We must be careful with strangers.（划线部分提问）---- ---- we be carefulwith? must提问用什么回答 “we must study them.是“we must study them.