I think physics is very difficult to learn. Do you________ me

It was _______ he does _______ makes his students enthusiastic about school. (原创)

How nice it tastes!—In fact，thisdelicious cake is not difficult________.

Recently our community has launched a campaign among all the residents , ____ we are called upon to do our little but to prevent the worsening environment.

Jim’s seldom been late for school, _____—______. But he got to school on time this morning..