Tables are made of _____.A.wood B.some woods C.woooden D.wooods

问题描述:

Tables are made of _____.A.wood B.some woods C.woooden D.wooods

选择A.wood.
这句话要表达的是桌子是木头做的.
wood在表达木头的意思时用单数,woods是树林的意思.所以选择A.