He made a(n)______ that he would buy a large house for his parents when he became rich.
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.