In 2003, eBay, a famous website ________ people buy and sell things, said that 70 per cent of their problems were with people who sold things that did not exist, or who lied about the products they were selling.
| A．when | B．where | C．which | D．what |
Only when he reached the house ___ it was the same place he’d been in last year.
| A．he realized |
| B．he did realize |
| C．realized he |
| D．did he realize |
Never before ___ seen anything who can play tennis as well as Robert.
| A．had she |
| B．she had |
| C．has she |
| D．she has |
Only after Mary read her composition the second time ___ the spelling mistakes.
| A．did she notice |
| B．she noticed |
| C．does she notice |
| D．she has noticed |
The headmaster will not permit the change in the course, nor ___ it a thought.
| A．does he even give |
| B．he even gives |
| C．will he even give |
| D．he will even give |
In no city of China ___ little about the economic development.
| A．the government cares |
| B．does the government care |
| C．doesn’t the government care |
| D．the government doesn’t care |