The teacher with the students_______ discussing the films_______ the subjects are science fictions.

Have you seen Mr Li — No. I am looking for him, too.

You’d better go there by train. The train ticket is ________ the airplane ticket.[ ]

Foreign Minister of China used plain language to make the Chinese foreign policy ________ to the whole world at the press meeting last week.[ ]

If a web page asks for some personal information, you need to find out if the page is __________ or not.