Question

At present,_____ number of students are near-sighted and, what’s worse, _____number of them is increasing.

A．a; the

B．a; a

C．the; the

D．the; a

Answer 1

A

考查冠词。a number of 许多，the number of……的数目。句意：目前许多学生近视眼，而且数字在增加。