问题
Our manager ________ for Shanghai in a few days and he has asked me to find out when the earliest plane ________ next Wednesday
A:is leaving; takes off
B:will leave; is taking off
C:leaves; will take off
D:is to leave; is going to take off
B:will leave; is taking off
C:leaves; will take off
D:is to leave; is going to take off
正确答案是：
