I like riding fast. It’s very exciting. — Oh! You mustn’t do it like that, （ ） it may have an accident.
（A）and
（B）or
（C）so
（D）but
Nobody can go back and start a new beginning, （ ） anyone can start now and make a new ending.
（A）for
（B）and
（C）but
（D）so
He’s at home these days. You may come （ ） today （ ） tomorrow.
（A）either; or
（B）both; and
（C）not only; but also
（D）neither; nor
