Ⅰ.用所给词的正确时态填空
1．Your sister ________(leave) tomorrow morning and you'd better get up early to see her off.
2．Look at the dark clouds in the sky.It ________(rain)．
3．The meeting is ________(start) very soon.
4．I'm going to Beijing tomorrow.My plane ________(leave) at 8 am.
5．No decision ________ (make) until all the members have approved of this plan.
