It’s a long trip and we’ll have to ___________ early tomorrow morning .
| A．start off | B．go off | C．take off | D．put off |
_____ 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