Chọn đáp án đúng

1.She sings ______________

A. beauty

B. beautify

C. beautiful

D. beautifully

2.Mary must go to the doctor because she feels ____________

A. sick

B. sickness

C. illness

D. sicken

3.We don’t like him because he is  __________

A. friend

B. friendly

C. unfriendly

D. friendship