______ is amazing to us is ______some plants can sense the soft touches of the insects on the leaves.

These days my classmates are busy ________ ready for the final exam.

My parents want to go ______ on vacation.

Don’t _____ so often. It’s bad for your health.—I have to. But I know I should have enough sleep.

This is a ______ job. I feel ______ of it.