— What do you think of the young lady? — She is hard-working. She ________ all her effort into her work before she got ill.
The box is ________ heavy ________ I can’t lift it.
Everyone is supposed ________ a seat belt in the car. A. wearing B. to be worn D.wear D. to wear
The bridge _____ by the farmers themselves in 1982.
There are many tall buildings on ____ sides of the street .
The president _____ all people _____ our environment.