21£® Money plays______ important role in the material world£® But expecting ______ money to give happiness may be missing the meaning of life£®

    A£® a; the                   B£® an; /                     C£® a; /                       D£® the; the

22. Receiving the report that the plane crashed, the government took measures            .

A. at no time              B. in no time       C. at a time                  D. of all time