Question

他起床很早,确保能赶上早班车He got up early___ ___ ___that he could catch the early bus.

Answer 1

to make sure make sure是确保的意思 that后面相当于一个宾语从句

Answer 2

in order to为了。就是确保。make sure是确信不是确保！

Answer 3

to make sure

Answer 4

to make sure