It is ______ the customers’ needs that has made chain stores so popular in big cities in China.
| A．meeting | B．met | C．to have met | D．being met |
Some researchers believe that there is no doubt _______ a cure for AIDS will be found.
| A．which | B．that | C．what | D．whether |
To write his paper, he tried hard to collect _______ information as he could.
| A．many of | B．a great many | C．the number of | D．a large amount of |
Don’t worry. You ________ have that book tomorrow.
| A．must | B．could | C．shall | D．may |
Nearly all educators believe that a challenging situation can often _______ the best qualities of a person.
| A．bring out | B．bring forward | C．bring about | D．bring up |
He found his son _______ inside the lift, _______ very worried.
| A．trapping; felt | B．trapped; felt | C．trapped; feeling | D．trapping; feeling |