双基限时练(十一) unit 5 lesson 2 ⅰ.单词拼写 1．piano and violin are both musical ________ (乐器)．答案 instruments 2．all the ________ (女性的) workers in this factory got a present on march 8. 答案 female 3．he wore a ________ (面具) so that no one would recognize him. 答案 mask
