－How doI_________ my homework －Click“print”and“ OK”.

Students are often warned that anyone who leaves the classroom at night must remember to _____ all the lights, or he will be fined.

What does Tom’s uncle do —He is a teacher. He __________ physics at a schoolnow.

I usually do the washing up and leave the cooking to my wife，______she’s a better cook than me

When we are in the library, we should_______ [kip]quiet.