Ⅰ.单句语法填空：根据句意，在空线处填上适当的单词。
1．(2019·东北三省三校二模)Embassies will not ________ (threat) you to request an investigation fee due to a fake (伪造的) passport.
答案：threaten will后面接动词原形，故用threat的动词形式threaten。
2．(2019·辽宁葫芦岛市高三一模)Most employers ________ care about the personal appearances of their employees, because those people represent the companies to their customers.
答案：do 这里对谓语动词care about进行强调，主语为复数形式，用助动词do。
3．(2019·天津东丽区高三毕业班质量监测)For many days I have been trying to figure out what it is ________ makes Jack so annoyed.
答案：that 这里是强调句型的特殊疑问句：What is it that ...，用在宾语从句中，故用正常语序。
4．(2019·天津部分区高三质量调查)It was when she first arrived in China ________ she developed a passion for papercutting.
答案：that 这里是强调句型“It was＋被强调部分＋that＋其他成分”，被强调部分是时间状语从句，用连接词that。
