_______ on time, this medicine will be quite effective.
| A．Taking | B．Being taken |
| C．Taken | D．Having taken |
Mr. Lee never said that he hated school when he was a child,
?
| A．was he | B．wasn’t he | C．did he | D．didn’t he |
He told mestudents attended the meeting yesterday.
| A．two score | B．two scores | C．two scores of | D．twoscore of |
China’s population is aboutof the world’s.
| A．one fourths | B．one four | C．the quarters | D．a quarter |
He finished middle school.
| A．in twenty in 1950s | B．at twenty in the 1950s |
| C．in twenties in the 1950s | D．at twenties in the 1950s |
John is the tallest boy in the class,according to himself.
| A．five foot eight as tall as | B．as tall as five foot eight |
| C．as five foot eight tall as | D．as tall five foot eight as |