Please don’t stand up in class until you.

You’d better put the medicine in a top drawer to makesure it would not be______ to the children.

While there are some differences in the educational systems in many countries in the world, education is________.[ ]

A: ________ do you go to visit your grandparents B: Less than three times a month.

There is a big library in our school.There are more than twice________five years ago[ ]