Even if there is no scientific proof secondhand smoke causes cancer, there is no reason why nonsmokers should be forced to take this risk.
Thomas Alva Edison didn’t “invent” the light bulb (灯泡), but rather he ______ a 50 –year –old idea, which is not well –known.
Dressed untidily and speaking in a strange way, Father must have ______ to the people present to be a silly old man.
The film “World without thieves” ______ a great success and brought in a large profit to the cinema.
After retirement, Mr. Smith ______ painting, which he had always loved but had not had time for.
You’d better ______ some hot water into the bottle in case the teacools down.