I must 什么 the classroom first

I must 什么 the classroom first I must be the I'll travel all over the world! Must.什么意思?.. I must not chase the boys 什么意思 i must leave theHotel California什么意思?引申义 Need I clean the room?与Must I clean the room?有什么区别 用must,need提问用什么答如；must I finish my homework today?Need I clean the room now? Oh,I must find the ticked.为什么要用must Now,I must face the world without I MUST PUT THE PLAN INTO PRACTICE! i must not chase the boys 歌词 I must use it in the yard. I must understand the total due also? I must go to the baker’s we must have missed the bus.i think _____.横线上填什么? In order to catch up with the others I must study hardera什么意思 I （would must）think so?Will the new iphone cost a lot?--I ___think so.Apple's products are usually expensiveA.would B.must选什么?理由 I have a bad toothache.I must go to the _____填什么应该写dentist 还是dentist's