—Look at your hands, John. ______ of them is clean.
—OK, I’ll wash them at once.
A．Neither B．None C．Both D．Either
My brother has a ______ daughter. She’s kind and lovely.
A．four-years-old B．four-year-old
C．fourth-year-old D．four-year-olds
We consider ______ some signs to stop people from smoking here.
A．to set up B．to put up
C．putting up D．setting up
Personal computers ______ in 1976. It has changed the whole world.
A．have invented B．were invented
C．is invented D．invented
—Terra, you shouldn’t be so ______. You always leave your things everywhere.
—Sorry, mom. I’ll put them away soon.
A．terrified B．cheerful
C．frightened D．careless
By the time I got home, Gina and her sister ______ their project already.
A．finished B．have finished
C．had finished D．will finish
