—Closeyoureyesandguesswhattheboxismadeof.—It’ssoheavy.I...

問題詳情：

—Close your eyes and guess what the box is made of.

—It’s so heavy. It must be made of ____________.

   A．paper             B．plastic                C．silk               D．metal

【回答】

D

知識點：名詞

題型：選擇題