_____ all the animals I’ve ever had, these two dogs are the most sensitive to the spoken word.
| A．From | B．Of | C．For | D．With |
The craze fans ________ outside the hall, and they will wait till the movie star comes.
| A．were waiting | B．are waiting | C．waited | D．had waited |
Her grandmother has taught in this school _______ she became a school teacher.
| A．before | B．since | C．until | D．after |
Is this the hotel ________ you stayed the first time you were here?
| A．which | B．when | C．that | D．where |
Please ask ________ not to skate on the thin ice.It’s very dangerous.
| A．they | B．them | C．their | D．theirs |
Jack, you’ve done your homework, ________ you?
| A．haven’t | B．don’t | C．won’t | D．do |