Chọn đáp án thích hợp

3. She
wear glasses
because she can't see very
well.
A. doesn't have to
B. have to
C. has to
( ! ) Đây là một câu hỏi bắt buộc
4. John
before going to bed.
A. have to
B. has to
tidy his bedroom *
*
C. don't have to
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