Have you seen the picture that a man killed the endangered animal on the Internet.– Yes. I think it is one of _________ actions.

下列文学常识中,说法不正确的一项是

That day I saw some parents____at the backof the classroom,___to the teacher .

Mr. Wu found that a number of UFOs in the sky ______ in a very short time in surprise.

Who is Dave looking ______—His mother. She’s been in hospital for a few days.