I’m sorry to keep you _______ for almost two hours.
| A．wait | B．to wait | C．waiting | D．waited |
Walk _____ this street, then turn right________ the secod crossing.
| A．past; at | B．along; at | C．cross; to | D．to; at |
There is ____ “f” and ____ “u” in the word “UFO”.
| A．an;a | B．an; an | C．a;an | D．a;a |
I’m sorry to hear that he cut ______. He should be careful.
| A．himself | B． myself |
| C．me | D．him |
I’m afraid you have to get ______ X-ray, young man.
| A．a | B．an | C．the | D．不填 |
Ann used to _____a bike to work but now she is used to _____ to work.
| A．ride; walk | B．ride; walking |
| C．riding; walk | D．riding; walking |