Much to the couple’s comfort, their income is now double ________ it was five years ago.
| A．that | B．than | C．which | D．what |
___all of them are strong candidates,only one will be chosen for the post
| A．that |
| B．when |
| C．since |
| D．before |
This is not my story,nor___the whole story.My story plays out differently
| A．is there |
| B．there is |
| C．is it |
| D．it is |
Never before___seen anybody who can play tennis as well as Robert
| A．has she |
| B．she had |
| C．has she |
| D．she has |
Only after Mary read her composition the second time__the spelling mistake
| A．did she notice |
| B．she noticed |
| C．does she notice |
| D．she has noticed |
Not until he retired from teaching three years ago___having a holiday abroad
| A．he had considered |
| B．had he considered |
| C．he considered |
| D．did he consider |