19.the wheels of the old wagon are nearly ______ those of a modern car.　　a. twice the size of b. twice size of c. twice sizes of d. twice the sizes of A: twice the size of B: twice size of C: twice sizes of D: twice the sizes of

The new campus is ____ as the old one. A: twice as big B: as twice big C: twice big D: ig as twice

The new campus is () as the old one. A: twice as big B: as twice big C: twice big D: big as twice

This room is ______ that room. A: twice as big as B: as twice big as C: twice bigger as

This building is ____ that one over there. A: as tall as twice B: as twice as tall C: twice as tall as D: so tall as twice

This classroom is ___________that one. A: twice big than B: bigger twice than C: twice as big as D: twice more bigger than

Some Chinese kids eat ______ as they actually need every day. A: twice as much protein B: twice protein as much twice C: twice protein as much D: protein as twice much

22.The output of our company this month is _____ that of last month. A: twice as much as B: twice as much C: twice many as D: twice as many as

A downtown hotel may charge ______ a hotel in the suburb. A: twice more than B: twice as much as C: as twice as D: more than twice

The wheels of the old wagon are nearly ______ those of a modern car. A: twice the size of B: twice size of C: twice sizes of D: twice the size