.—Did you visit the museum? —No, we ____ it, but we spent too much time shopping.
| A．could have visited | B．must have visited |
| C．can’t have visited | D．shouldn’t have visited |
—Why does she always ask you for help?
—There is no one else _______, is there? （2005年北京高考题）
| A．who to turn to | B．she can turn to | C．for whom to turn | D．for her to turn |
Do you have any idea _______ is actually going on in the classroom? （2005年辽宁省高考题）
| A．that | B．what | C．as | D．which |
Mary wrote an article on _______ the team had failed to win the game. （2005年全国I高考题）
| A．why | B．what | C．who | D．that |
Doris' success lies in the fact _______ she is co-operative and eager to learn from others.（2006年上海春季高考题）
| A．which | B．that | C．when | D．why |
These shoes look very good. I wonder _______. （2006年上海春季高考题）
| A．how much cost they are | B．how much do they cost |
| C．how much they cost | D．how much are they cost |