I will ________you________your science.
A．help；on B．help；with C．help；about
----The jeans are too short.----Try this _____ on.
A. one B. pair C. a
----Shall we do the puzzle now? ----_____
A. OK. B. You’re right. C. See you.
_____ don’t you go to bed now?
A. Why B. What C. Where
Happy _____ Day!
A. teacher B. Teacher’s C. Teachers’
_____ storybook is for you .
A. Here’s B. this C. That