正确的是：
make sure to do 或者
make sure of doing。
词组意思：
确定；确保；尽力做到。
2. 举例：
Make sure to review as much as possible every time.
确保每次都尽可能多地复习。
Make sure to follow the instructions.
一定要按照说明去做。
Would you make sure of getting a ticket?
你能确保弄到一张票吗?。
To make sure of nothing going wrong, my mother would superintend the cooking herself.
为确保一切不出问题，我母亲会亲自下伙房监督烹调。
3. 词汇拓展：
make sure that+宾语从句，意思是： 务必，一定；查明，弄确实。
And we make sure that the program is going to use our value instead of the calculated
value.
我们要确定，程序是用我们的数值，而不是计算数值。