She was supposed ______ at home at the moment, but her mother found her in the park.
_____ work has been done to prevent the river being polluted. A .A number of B A mass of C Several D. A good many
. I was sleeping when the fire ______ and then it spread quickly.A. broke out B put out C. came out D. got out
_______ you do it, you’d better do it well.A. Now that B After C. Although D. As soon as
He has ____ for language, while his sister is a ____ pianist.A gift, gifted B a gift; gifted C. a present; gifted D. a gift; gift
Do you know the boy _____ under the big tree? A lay B. lain C. laying D. lying