TEACHERS WHOM DO NOT SPEND ENOUGH TIME ON CLASS PREPARATION OFTEN...

298. - 2000 CAU TRAC NGHIEM ANH A B C
2000 CAU TRAC NGHIEM ANH A B C

298. Teachers whom do not spend enough time on class preparation often have

difficulty in explaining new lessons.

a. whom

b. enough time

c. class preparation

d. explaining new lessons

--> a