It's() for us() get to school on timeA.interesting ,to becomeB.important,toC.good,toD.necessary,to

问题描述:

It's() for us() get to school on time
A.interesting ,to become
B.important,to
C.good,to
D.necessary,to

it is+adj for sb. to do sth、
所以选D
necessary,必要的