How many pieces of artwork are in the building？A．50B．150C．200D．250

How many states are not on the contiguous continent of America？A.1B.2C.3D.4

听力原文：How many chairs are around the table？ （A) The four of us will sit down. （B) There

How many examples are there "as evidence of tribalism"？A．Four.B．Two.C．One.D．Three.

How many percent of butterfly species are suffering the population declination？A．More than

How many ______ would you like？A、paperB、breadC、pieces of papersD、pieces of bread

How many major types of articles are mentioned in