If nothing________，the oceans will turn into fish deserts.
| A．does | B．had been done |
| C．will do | D．is done |
—How much sugar have you put in my coffee? It tastes so bitter．
—I’m sorry to say that there’s ________ left．I forgot to buy ______on my way
home．
| A．nothing；it | B．something；anything |
| C．none；some | D．no one；some |
—Do you ______ the idea of living a low-carbon life?
—It sounds tough, but it is a tendency.
| A．correspond to | B．apply to | C．cater to | D．subscribe to |
Now the world’s attention ______ the stocking markets, as they have great influence in the world’s economy.
| A．is fixing on | B．has fixed on | C．is being fixed on | D．had been fixed on |
--- Time passes quickly, doesn’t it?
--- Yes. It will be only two months_______we take the 2010 College Entrance Examination.
| A．since | B．after | C．before | D．when |
Children in the countryside can receive education ________ free since last year.
| A．for | B．in | C．of | D．on |