【单选题】
19. The American people _____ a president every four years.
【单选题】
3. Every term students are given theopportunity to ______ their instructors.
【单选题】
Einstein won the Nobel Prize in 1921 and enjoyed great fame in Germany until the rise of Nazism _____he was expelled from Germany because he was a Jew.
【单选题】
Our English teacher demanded that we ____ to English broadcast every day.
【单选题】
Every society has its own peculiar customs and____ of acting.
【单选题】
The English teacher strongly advises that every student ____ an all English dictionary.
【单选题】
Well, that’s to say, every coin has two sides, ________ technology.
【单选题】
Although they plant trees in this area every year, the tops of some hills are still ______.
【单选题】
Niagara Falls is a great tourist _____, drawing millions of visitors every year.
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/24A68813A03D70006F7EE92F990179FE.png title=24.png alt=24.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/34F559F2E2CD5600E9C888940DB35608.png title=24-1.png alt=24-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/5556913785E4BC93D1E36CF904FDF245.png title=24-2.png alt=24-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/1DE6B6D121C03E1630C30989D2A64CAF.png title=24-3.png alt=24-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/74AF796DB22A326326D70383D7439A0C.png title=24-4.png alt=24-4.png/>