is even more important is the earth cooled down, water began to appear on its surface.
| A．When; that; when | B．What; whether; as | C．What; that; as | D．lt; whether;  as |
He has been absent ____ ____ class for quite a long time.
| A．in | B．for | C．with | D．from |
Though I have no idea ____ ___ the new film is about, I know it is popular with all who have seen it.
| A．whether | B．why | C．that | D．what |
She remained ______ for a while after the movie ended, which made others ______.
| A．sitting; puzzling | B．sitted; puzzled |
| C．seated; puzzled | D．seated; puzzling |
While shopping, people sometimes can’t help ____ __ into buying something they don’t really need.
| A．to persuade | B．persuading | C．being persuaded | D．be persuaded |
The USA once ___ ___ war against Japan in 1945 and now it is bombing Libya.
| A．announced | B．declared | C．commented | D．stated |