22. For me economics _______ asinteresting as physics.

a. doesn’t

b. aren’t

c. isn’t

d. don’t

23. Advertisements on television

__________ more competitive than

ever before.

a. is becoming

b. becomes

c. are becoming

d. has become

24. The levels of intoxication ________

from subject to subject.

a. varies

b. vary

c. is various

d. is varying

25. A number of journalists ______

attending a press conference on

economic policies yesterday.

a. was

b. were

c. did

d. are

26. A pair of jeans _______ at the washing

machine this morning

a. was

b. were

c. are

d. did

27. Either John or his wife _________

breakfast every morning.

a. makes

b. make

c. making

d. made

28. The number of students withdrawn

from class this semester ______

appalling.

a. is

b. are

c. were

d. does​