1.I can't afford the dress __ is made of silk,though it suits me fine.
A.what B.who C.that D.where
2.Waste paper shouldn't ___ everywhere.It's our duty to keep the city clean.
A.throw B.threw C.be thrown D.is thrown
3.—Excuse me,could you tell me ___?—Sure,There's a drugstore on the second store.
A.where can I buy stamps B.how can I get to the museum
C.where I can buy shampoo D.how I can get to the restroom