In the final exam of last term, our maths teacher Mr.Wu gave us ________we all couldn’t work out .
| A．such a difficult problem that | B．so a difficult problem as |
| C．so difficult a problem that | D．as difficult a problem as |
I am afraid I am not fit for the job, because it is one requires a lot of patience.
| A．who | B．that | C．what | D．where |
“I’m certainly more and more to the conclusion that Iraq has, ____ they maintained（断言）, destroyed almost all of _____ they had in the summer of 1991.” Blix said.
| A．which, what | B．as, which | C．as, that | D．as, what |
This is the book I bought yesterday , ______I spent 8 yuan .
| A．on which | B．for which | C．in which | D．at which |
I shall never forget the day Shen Zhou V was launched ,has a great effect on my life .
| A．when , which | B．that , which | C．which ,that | D．when , that |
These countries will join one another against terrorism, was agreed to at the international conference.
| A．as | B．who | C．that | D．what |