第一节:单项填空(共15小题;每小题1分,满分15分)
21 To his great surprise, John was elected___ chairman of _____ Students’Union.
A. a; a B. a;
the
c. the; the
D. /; the
22.
Quite a few problems_____ after the new examination system was introduced, and
the number of students in this school _____by 5% Last year.
A. arose;
raised B. arose;
rose C. rose; raised D. raised; rose