Known to all, exercise is important for health, but it be regular exercise.
| A．will | B．must | C．need | D．shall |
Paper produced every year isthe world’s production of vehicles.
| A．the three times | B．three times the weight of |
| C．as three times heavy as | D．three times as heavier as |
of the land in that districtcovered with trees and grass.
| A．Two fifth;is | B．Two fifth;are | C．Two fifths;is | D．Two fifths;are |
people in the world are sending information by E-mail every day.
| A．Several million | B．Many millions | C．Several millions | D．Many million |
The young dancers looked so charming in their beautiful clothes that we took
pictures of them.
| A．many of | B．masses of | C．the number of | D．a large amount of |
He did itit took me.
| A．one-third a time | B．one-third time |
| C．the one-third time | D．one-third the time |