Mr. Lee made ______ a rule that we must come to school on time.
Tom as well as two of his classmates _____ invited to the party.
The fact has worried many scientists ______ the earth is becoming warmer and warmer these years.
My grandfather is always thinking for others. In another word, he is always ________.
Driving on the road, drivers do ______ the traffic rules, which is responsible for themselvesas well as others.
—Won’t you go to the football tonight?—________.I might stay at home watching it live on TV instead.