问题
Life in the 21stcentury is much better than_____ used to be
A:energy
B:source
C:power
D:material
B:source
C:power
D:material
正确答案是：
同类题型
He is pleased to think that he _________ himself on the beach at this time next week
In fact, I would have left for the countryside ____ havestayed at home[ ]
________ his being late again, he lost his job and had to stay at home[ ]
he bridge ______next year, it will be easier tocome to and go from the village