When you leave, please turn off the light_____ energy.
A. save B. saving C. saved D. to save
Look at the “No parking” sign. You _____park your car here.
A. should B. must C. needn’t D. mustn’t
He was wearing a pair of sunglasses and I didn’t _____him at first.
A. advise B. promise C. recognise D. hear
The book won’t____ until the end of the year.
A. come out B. come over C. come true D. come on
Look at our new school. It ____ last year.
A. built B. was built C.is built D. will be built
Robots _____more heavy work for us in the future.
A. will do B. did C. have done D. were doing
