.
It’s already 10’clock. I wonder how it______that she was two hours late on such a short trip.
| A．came over | B．came out | C．came about | D．came up |
______, most teenagers now listen to rock music. However, John likes classical music better.
| A．In a word |
| B．In general |
| C．In time |
| D．In total |
The city ______ by an army of 600 men was difficult to take.
| A．defending |
| B．having been defended |
| C．having defended |
| D．defended |
At the meeting they discussed three different ______ to the study of mathematics.
| A．approaches |
| B．means |
| C．methods |
| D．ways |
He sat back on the chair, listening to the MP4 and ______.
| A．looking at ease |
| B．looked at ease |
| C．being looked at ease |
| D．to look at ease |
Living in the dormitory means ______ to take care of yourself, understand each other’s differences and share ______ interests.
| A．to learn; common |
| B．learning; ordinary |
| C．to learn; ordinary |
| D．learning; common |