The bus hasn’t come yet. Many people are waiting ______ the bus stop.
| A．at | B．for | C．on | D．in |
– It’s really nice of you to give me the ride!
–________
| A．That’s right. | B．My pleasure. |
| C．I’m glad to hear that. | D．Oh, I like the ride. |
They have to set out for the last train at once, ________?
| A．don’t they | B．do they |
| C．haven’t they | D．have they |
Students are warned ________ in the exam, otherwise they will be severely punished.
| A．to not cheat | B．not cheating |
| C．not be cheated | D．not to cheat |
I am wondering ________ you have read “the Harry Potter series” written by JK Rowing.
| A．when | B．whether |
| C．where | D．what |
It is better for you to walk down the stairs instead of ________ the elevator.
| A．taking | B．to take |
| C．take | D．taken |