---It’s so hot. Why not ______ swimming?---It’s a good idea. Let’s go.
---Shall we meet at the station at 8 a.m.?---In fact, we ________. The train _______ until 10 a.m..
---Must I write all the words down now? ---No, you ____.
This English book ________Liu Mei’s, it has her name on it.
Your mother know the truth, but I am not sure.
—When will his party begin? —I am not sure. It _ be at 8:00 p.m.