Mary’s birthday is ________September 10th.A. in B. at C. on
Everybody else has gone home________me.I have to stay in the classroom and finish my homework.
The new plan is quite different________the old one.Most of us think that the new one is better.
She runs as________as her elder brother.
You will find a________answer after reading the story.
I found________difficult for them to get there on time.