—Have you ever seen anything like that before?
—No, _____ anything like that before.
| A．I never have seen | B．never I have seen | C．never have I seen | D．I have seen |
It was April 29, 2011 _____ Prince William and Kate Middleton walked into the palace hall of the wedding ceremony.
| A．that | B．when | C．since | D．before |
The days are gone _____ physical strength was all you needed to make a living.
| A．when | B．that | C．where | D．which |
______ volleyball is her main focus, she’s also great at basketball.
A Since B. Once C. Unless D. While
---I need to advertise for a roommate for next term.
---______ ? Mary is interested.
| A．Why bother | B．Why not | C．So what | D．What for |
It sounds like something is wrong with the car’s engine. _____ , we’d better take it to the garage immediately.
| A．Otherwise | B．If not |
| C．But for that | D．If so |