Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions from 33 to 51.
Buy the new ___________ of soap now on sale. It is softer than all others.
A. brand
B. mark
C. model
D. manufacture
Đáp án là C
new model of soap (mẫu xà phòng mới) là hợp nghĩa nhất