Taking drugs has become part of every sport _________ athletes seek to achieve beyond their natural limits.
| A．which | B．that |
| C．who | D．where |
The 3G cell-phone must be of great use to ____wants to get the information through the
Internet quickly．
| A．who | B．whoever | C．whomever | D．whichever |
—Can you give me some advice on what I said just now?
—Sorry, my mind _____．
| A．has wondered | B．had wondered | C．is wondering | D．was wondering |
I’d appreciate _____ if you would like to teach me how to use the computer．
| A．that | B．this | C．it | D．you |
The government has to close those small factories to prevent the water of the river ______.
| A．polluting | B．from polluting | C．being polluted | D．polluted |
There are _____ products to be sold in the factory store. Which of the following is not correct?
| A．a large number of | B．a large amount of | C．quantities of | D．a great many |