Some supermarkets are open _______8 :30 a. m. and 8 :00 p. m. ______ Mid-autumn Day.[ ]

What’s she doing _____vacation?—She’s _____.[ ]

Why do you appreciate her help so greatly?一Because her donation makes it possible for methe dog Lucky.

Thanks to the Internet, different kinds of information ________ in a short time.

_____ to ride a bike from your school to the park?[ ]