—What do you think of your host family, Jim?—Great. They try ________ best to make me feel at home.
I can’t wait ____ the present box.
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 .