Chọn đáp án đúng: I must go to the dentist and _________
12. I must go to the dentist and _________
A. get my teeth to take care of
B. take care of my teeth
C. my teeth be taken care of
D. get my teeth taken care of
13. The two cars for sales were in poor condition, so I didn’t buy _________ .
A. either of them
B. both of them
C. neither of them
D. each of them
.