John and I ________ friends for eight years. We first got to know each other at a Christmas party. But we _______ each other a couple of times before that.
| A．had been; have seen | B．have been; have seen |
| C．had been; had seen | D．have been; had seen |
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 |
—Look at those clouds!
—Don’t worry.___it rains,we’ll still have a great time
| A．Even if |
| B．As though |
| C．In case |
| D．If only |