-I didn't go to the art show, because I lost my ticket.
-You______have borrowed mine I didn't go to see it anyway
A.would B.need C.could D.must
Birds'singing is sometimes a warning to other birds________away.
A.staying B.stayed C.stay D.to stay
Interest is as_______to learning as the ability to understand,even more so.
A.vital B.available C.specific D.similar
I'm pleased to hear that you've come here to _______this matter in person.
A.lead to B.see to C.refer to D.turn to
It's everybody's desire that every effort___________to reduce the pollution in our city.
A.be made B.is made C.will bi made D.must be made
Mary waited for a reply, but__________came.
A.no one B.none C.nothing D.neither