i have to do my home work every night oh,() too a 、i did b 、i do c、i have d、i am

问题描述:

i have to do my home work every night oh,() too a 、i did b 、i do c、i have d、i am
——i have to do my home work every night
——oh,() too
a 、i did b 、i do c、i have d、i am

I do.
选b.have to是动词的一般现在时,用do代替