Give the correct form of the words. Everybody (wait) .......... for the president in the hall now.

Choose the correct option to fill in the blank of the sentence: If we pollute the water, we _____ no clean water to use.

Rewrite these sentences, using an “if” construction. I can’t drive so we can’t take the car.

Give the correct form of the words. Lan was absent from class because of her .................... (sick)

Make questions, for the underlined words or phrases. They sometimes go sailing in the fall.

Turn ............ the lights when we go out. A. of B. off C. on D. up