Last term our maths teacher set so difficult an examination problem _____ none of us worked out.
| A．that | B．as | C．so that | D．which |
She ______his number in her phone book to ______that she had got the right number.
| A．looked for , be certain | B．picked up , make sure |
| C．picked out , be sure | D．looked up, make sure |
_______ the time they stopped working together, they ______ more albums than _______ band in history.
| A．By; had sold; any other | B．At; had sold; any |
| C．In; have sold; all | D．For; had sold; all the other |
It was ________that we went camping on the mountain.
| A．such nice weather | B．so nice a weather | C．such a nice weather | D．so nice weather |
Henry always forgets things he has done. Yesterday he forgot__________ and looked for it everywhere.
| A．to post the letter | B．to have the letter posted |
| C．to have posted the letter | D．having posted the letter |
______ my surprise, when the audience saw this film, they all shouted _______ surprise.
| A．In; in | B．In; at | C．To; at | D．To; in |