______all of them are strong candidates, only one will be chosen for the post.
| A．Since | B．As | C．If | D．While |
There is nothing wrong with my bike, ?
| A．is it | B．isn’t there | C．isn’t it | D．is there |
There is a beautiful lake in this city, ?
| A．isn’t it | B．isn’t there | C．is it | D．hasn’t it |
Mary has few friends in Japan, she?
| A．has | B．don’t | C．doesn’t | D．hasn’t |
It’s fine today. Let’s go fishing, ?
| A．will we | B．shall we | C．do we | D．don’t we |
Don’t smoke in the meeting room, you?
| A．do you | B．will you | C．would | D．can |