I wasn't able to hide my eagerness when I ________, "What do you wish me to do now?"
| A．ask | B．have asked | C．am asking | D．asked |
These chairs may look good, but they’re very un-comfortable _____.
| A．to sit on | B．to be sat on | C．sit on | D．sitting on |
Do you prefer_____when your boss takes an interest in your personal life?
| A．this | B．不填 | C．that | D．it |
When the clock ________ 11, I was about to leave for the supermarket.
| A．knocked | B．hit | C．beat | D．struck |
Famous physicists from all over the world came to the US to ______the 100th anniversary of Albert Einstein’s birth.
| A．congratulate | B．celebrate | C．applaud | D．participate |
So______that many parents are too worried to let their children travel alone at the beginning of the new term.
| A．is the distance great | B．great the distance is |
| C．the distance is great | D．great is the distance |