Here are some new computer programs _____ for home buildings．
A．designing B．design C．to design D．designed
sweet and fresh, this kind of food is so popular with local people and the tourists．
A．Smell B．Smelling C．To smell D．Smelt
Always read the label ______ you wash your clothes．
A．before B．unless C．since D．until
—Flight 331 _____．I'd better be on my way．Goodbye．
—Bye．Happy landing!
A．is announced B．is being announced
C．is announcing D．has announced
To appreciate that it's not easy for you, but you ______ try to get here on time．
A．may B．must C．will D．can
—Sorry we're late．We ______ the wrong turning．
—That's all right．Come in, please．
A．take B．have taken C．took D．had taken
