do you have ( ) (leave) now

do you have ( ) (leave) now 请问:Do you have to leave now?中,have to是情态动词吗? 英语：情态动词题----Do you have to leave now?----I'm very sorry,but Do you have to leave now?--Sorry,but I really _____.A.must B Do you have ( ) time now? why do you have to leave me! What do you have to do now? You ()leave,do you?But they must leave now.A.needn't to B.do Don’t leave now.l have ___to tell you. How many money do you have now? Do you have a Chinese lesson now? which time do you have now