I usually ______ sunglasses outside in the sun.
| A．put on | B．putting on |
| C．wear | D．wearing |
It’s not good for people __________ waste water (污水) into the river.
| A．to put | B．putting | C．to pour | D．pouring |
Every student in Miss Chen’s takes turns __________ the classroom every day.
| A．clean | B．cleans | C．cleaning | D．for |
Please tell your partner _____________ make your favorite smoothie.
| A．what to | B．how to | C．to how | D．to what |
The music is very wonderful, she often listens ___________.
| A．to it | B．it to | C．for it | D．it for |
These are the apples and bananas, cut ___________ and put ___________ the blender.
| A．up them, them into | B．them up, into them |
| C．them up, them into | D．up them, into them |