---Must I clean the floor now?
---__________. It is too dirty.
| A.Yes, you needn’t | B.No, you needn’t |
| C.No, you mustn’t | D.Yes, you must |
— Do you believe that paper is made _______ wood?
—Yes, I do. And you can see that books are made________ paper.
| A.from; from | B.from; of |
| C.of; from | D.of; of |
The baby was born(出生于) ______ a warm morning.
| A.in | B.on | C.at | D.of |
To film fans’ delight, ‘Titanic’ in 3-D returned to Chinese screen ______ April 10, 2012.
| A.in | B.on | C.at | D./ |
Our sports meeting will be held _____ the morning ____ November 13rd.
| A.in, on | B.in, of |
| C.on, of | D.on in |
Only ________ of the students come to school by bus.
| A.three fifth | B.third fifths |
| C.three fifths | D.third fifth |