There aren’t many seats left for the concert; you had better make sure two today.
A. getting
B. to have got
C. that you get
D. that you will get
网友回答
A. getting
B. to have got
(答案→)C. that you get
D. that you will get
解析：本题考查短语make sure + that clause，句中是祈使句，一般用一般现在时而不用一般将来时。