下面各数中,只读一个零的是( )
( ) They _____lots of places last week A.visitB.visitedC.visiting
( ) I want two of cheese. A.kilo B.kilosC.half a kilo
( ) There _____ a teacher in the class A.areB.be C.is
( ) There are ______books on the desk. A.too many B. too much C.lot of
( ) _______sweater is this? A.whose B.what C.who