Ann, _____ the lights when you leave the classroom.
A. turn on B. turns on C. turn off D. turns off
To keep_____, we should do more exercise and eat _____junk food.
A. healthy; more B. unhealthy; more C. unhealthy; less D. healthy; less
Look! Linda is ______ hot water into the blender.
A. pour B. pours C. pouring D. to pour
_______ bananas do you need?
A. How B. How many C. How much D. What
The math problem is so hard. I really don’t know .
A. how to do it B. how to do C. what to do it D. where to do it
They didn’t come to the meeting ________ the heavy rain.
A. because B. with C. because of D. for
