_________ the flight to New York will be delayed is _________ I’m especially worried about.
| A．If; what | B．Whether; that |
| C．When; that | D．Whether; what |
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 |
—Tom, why didn’t you go to work today?
—Oh, the manager said he no longer wanted to see me again; _____, I was fired.
| A．above all | B．after all | C．in other words | D．in some way |