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----- Nội dung dịch tự động từ ảnh -----
9. Alexander Graham Bell was born
March 3, 1847.
C. in
В. at
10. People who can neither speak nor hear are
В. blind
A. on
D. from
A. blinds
C. deaf-mutes
D. deaf
11. Scissors, knives and small objects are dangerous things
children.
В. for
12. The children are old enough to take care of
A. to
C. with
D. about
A. himself
B. themselves
C. herself
D. ourselves