A. knock B. key C. kitchen
Do you know the man ______ is cooking now?
| A．what | B．who | C．whose | D．which |
Have you ever gone ?
| A．surfing | B．to surf | C．surf | D．surfed |
Mary often studies English by _______ with a group.
| A．working | B．work | C．to work | D．worked |
I can’t hear ________you are talking about .Please speak a little louder.
| A．what | B．why | C．which | D．when |
Those people without children ________good care of by the government there.
| A．are taking | B．are taken | C．have taken | D．were taking |