题目内容
To test eggs, _______ them in a bowl of water: if they float they’re bad, if they sink they’re good.
| A.put | B.putting |
| C.to put | D.to be putting |
A
A。句首的 to test eggs 为目的状语,填空句为祈使句谓语,故要用动词原形。
练习册系列答案
相关题目