Up to now, our society ________ with limited living space and a shortage of natural resources.
| A．has been challenged | B．is being challenged |
| C．is challenging | D．has challenged |
_____ my finishing reading the novel, you shall have it immediately.
| A．On | B．At | C．For | D．With |
Please don’t run _____ far.
| A．much | B．more | C．that | D．fairly |
_____, he cannot solve the word puzzle.
| A．Hard although he tried | B．He tried hard although |
| C．However hard he tried | D．As he tried hard |
The girl spent as much time as she ____ her lessons.
| A．could going over | B．could go over | C．went them over | D．went over |
In the school where I study English ____.
| A．is there | B．has no good teachers |
| C．is taught | D．is the most beautiful |