—Tom, you didn’t come to the party last night?                              

— I _____ , but I suddenly remembered I had homework to do.

A．had to

B．didn’t

C．was going to

D．wouldn’t

从哈尔滨到广州开会 ，第二天必须赶到， 乘用何种交通工具适宜？[ ]

A、飞机

B、汽车

C、火车

D、轮船