试题题干
Word Formation
Complete the following sentence with the proper form of the word in the bracket.
(tight) I used my thumbnail to 
the screw on my lamp.
参考答案
试题解析
此处缺少动词。
use sth. to do sth.：用某物做某事。所以变tight为动词tighten。
句意：我用指甲把台灯上的螺丝拧紧了。
Word Formation
Complete the following sentence with the proper form of the word in the bracket.
(tight) I used my thumbnail to the screw on my lamp.
此处缺少动词。
use sth. to do sth.：用某物做某事。所以变tight为动词tighten。
句意：我用指甲把台灯上的螺丝拧紧了。