Supermarkets are (cheap) small shops.

A.kind

B.variety

C.type

D.model

A．Supermarkets need more clerks than other stores

B．In supermarkets goods are placed on closed shelves

C．The customers prefer supermarkets to other kinds of stores

D．The customers pay any clerk they meet for what they have bought in supermarkets

A.guess

B.imagine

C.estimate

D.evaluate

A. which

B. that

C. when

D. where

A) furnish

B) induce

C) facilitate

D) allocate

A.A.has been continuing

B.B.might have continued

C.C.is continuing

D.D.have been continuing

A．plants suitable human needs

B．how to build shelves

C．method of selling more products

D．how to own supermarkets