Chọn từ dùng sai trong mỗi từ được in hoa

1. HALF OF (A) her SALARY (B) is spent ON (C) RENT (D) a flat 

2. Your HOMEWORK (A) must TO BE (B) DONE (C) before CLASS (D)

3. One of THE MOST (A) distinctive PLANTS (B) FOUND (C) in the desert IS THE (D) Saguaro cactus.

4. It's ESSENTIAL(A) that EVERY (B) STUDENT (C) IS PRESENT (D) at the meeting 

5. '' I can't MAKE OUT (A) WHAT (B) the sign SAYS (C).'' '' I CAN'T HARDLY (D)  read it myself