When＿the hospital＿?A.did；build B.is；built C.does；build D.was；built

How long＿the supermarket＿?Four years.   A.has；opened B.has；been opened. C.did；open D.has；been open

My glasses are broken.I will buy＿to read newspapers with. A.another one B.a new one C.a new pair D. are respect

How long＿to finish the work? A.will take you B.will you take it C.you'll take D.will it take you

The river smells terrible. People must＿waste into it. A.be stopped to throw B.be stopped from throwing C.stop to throw D.stop from throwing