根据情景及首字母提示，完成下列对话。

Millie：Look!A man's running down the street．I wonder w 　　1　　 happening?

Peter：He could b 　　2　　 running for exercise．

Millie：But he's w 　　3　　 a suit．

Peter：Well, he m 　　4　　 be late for work．

Millie：He looks kind of scared．

Peter：Oh, no!What's that?

Millie：Where?

Peter：There's something in the sky．

Millie：It could be a helicopter．

Peter：No, it c 　　5　　 be a helicopter．It's too big．It must be a UFO．

Millie：A UFO?What's going on?

Peter：Look, now the UFO is landing．

Millie：And there's a strange creature getting out．It must be an a 　　6　　．

Peter：And it is c 　　7　　 the man!I must be dreaming．

Millie：Maybe we should call the police．Hey, wait a m 　　8　　．What's that?

Peter：Where?

Millie：Over there．

Peter：It's a woman w 　　9　　 a camera．

Millie：She could be from the TV news．

Peter：No, look at all the people．They're actors．They must be m 　　10　　 a movie．