Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.

Meal time is a great time for family members to talk about that  is going on in their lives.

A. is

B. talk about

C. that 

D.on in

Thiếu đề rồi bạn Thủy ơi

diện tích 1 mặt:

9:4=2.25(dm2)

diện tích toàn phần:

2.25x6=13.5(dm2)