Although he was in poor health, Robert succeeded ______ other more famous engineers failed.
| A．which | B．that | C．what | D．where |
____ the end of the performance did the audience get the chance to take photos with the respectable actor．
| A．At | B．By | C．Up to | D．Not until |
The government _____ to the country to pay more attention to A/H1N1flu.
| A．appealed | B．suggested | C．called | D．explained |
When people talk about the cities of China, the first ____comes into their mind is Beijing．
| A．which | B．one | C．that | D．of them |
_____your composition carefully, some spelling mistakes can be avoided．
| A．Having checked | B．Check | C．If you check | D．To check |
--- A microwave oven must be a big convenience to a busy couple．
--- ________ , dear ．But when do you plan to get it ?
| A．Just can’t agree more | B．A pleasure |
| C．Good idea | D．No wonder |