1.On no account ___ ever leave the baby at home alone.
A.should youB.you should
C.shall you
D.you shall
2.___ the center of our planetary system was considered as heresy by the church in the MiddleAges.
A.It is the sun and not the earthB.That the sun and not the earth
C.Being the sun and not the earth
D.The sun and not the earth
3.The reason that his property was confiscated by the country, it ___, was that he was involved in a lot of fraudulent activities during the war.
A.was turned outB.was being turned out
C.being turned out
D.turned out
4.The director gave me his ___ that he would double my pay if I did my job well.
A.warrantB.obligation
C.assurance
D.certainty
5.The Christmas tree was decorated with shining ___ such as coloreed lights and glass balls.
A.ornamentsB.luxuries
C.exhibits
D.complements