The driver was badly hurt _____ of the traffic accident.
| A．at a result | B．in the result |
| C．with the result | D．as a result |
My mother was doing the cleaning in the sitting room ________ the telephone rang.
| A．when | B．while | C．since | D．as soon as |
Every day, too much water _______ in our school. We should save it.
| A．is wasted | B．wastes |
| C．was wasted | D．wasted |
— Must we go to see a doctor at once when we have the flu?
—No,_____.
A. we mustn’t
B. we shouldn’t
C. we don’t have to
— ____ you _______your book to the library? — Yes. I returned it yesterday.
A. Did, return
B. Have, returned
C. Will, return
---- How was your school trip to Fangte Amusement Park?
---- Great! we are to try the rides!
A. How exciting
B. What excited
C. How excited