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 |
Could you please ______ the door? It’s cold outside.
| A．open | B．not open |
| C．opening | D．not opening |