A great explosion _______ in a chemical factory in Hangzhou several months ago.
| A．occurred | B．occurred to | C．has happened | D．has taken place |
In the time of social reform, people’s state of mind tends to keep _____ with the rapid change of society.
| A．contact | B．progress | C．touch | D．pace |
As a grassroots singer, she reads everything she can get hold of and catch every opportunity she meets up with so as to gain _____ progress.
| A．mild | B．widespread |
| C．steady | D． Average |
The committee is discussing the problem right now. It will _____ have been solved by the end of next week.
| A．eagerly | B．hopefully |
| C．immediately | D．Gradually |
Making money seems like a problem that’s very far away from us children, _____only the parents need to care about.
| A．everything | B．something | C．anything | D．Nothing |
Hard work and lack of sleep have _____ her beauty and youth in recent years.
| A．worn out | B．tried out |
| C．made out | D．sent out |