60._________A.and B.or C.nor D.neither

A: The students work hard. B:_____A．So do they.B．So they do.C．So we do.D．Neither do they.

_______（47）A.and a great deal of food and dinner

_______（48）A.and a great deal of food and dinner

_______（49）A.and a great deal of food and dinner

_______（50）A.and a great deal of food and dinner

56._________A.if B.whetherC.either D.neither