The look on his face suggested that he just happened _______ the secret and _______ he himself was very shocked, too.
| A．knowing; 不填 | B．to know; 不填 |
| C．knowing; that | D．to know; that |
Don’t be______by products promising to make you lose weight quickly.
| A．taken off | B．taken out | C．taken away | D．taken in |
You don’t have to know the name of the author to find a book. You______find the book by the title.
| A．must | B．need | C．can | D．would |
Many workers were organized to clear away ________ remained of the World Trade Center.
| A．those | B．that |
| C．what | D．where |
Some of the scientists held the point________ the book said was right.
| A．what; what | B．that; that |
| C．what; that | D．that; what |
Was it ________ the conference of APEC that made Shanghai the focus of the world then?
| A．holding | B．to hold |
| C．held | D．having held |