【推荐1】语法填空
1. While they are rare north of 88°,there is evidence ________ they range all the way across the Arctic, and as far south as James Bay in Canada.
2. What students do at college seems to matter much more than _______ they go.
3. As natural architects, the Pueblo Indians figured out exactly____thick the adobe walls needed to be to make the cycle work on most days.
4. Success partially depends on ________ you have the patience to do simple things perfectly．
5. I lost my cell phone yesterday． Can you tell me ________ I can buy one?
6. It never occurred to me ________ you could succeed in persuading him to change his mind．
7. ________ breaks the law will be punished．
8. She will give ________ needs help a warm support．
9. I have no idea ________ the girl is doing in her room now．
10. ________ is well known to everyone, I should say, is that a man becomes learned by asking questions．
11. Exactly ________ the potato was introduced into Europe is uncertain, but it was probably around 1565．
12. It shocked the world ________ the United States withdrew from some major agreements it had       been committed to, including the 2015 Paris Agreement on climate change and the 2015 Iran Nuclear Deal．
13. I need help now! I have to fix a leaking pipe in my bathroom but I'm not sure ________ to begin．
14. Forty grams of meat per day is ________ people should consume in order to stay fit．
15. The famous player tried again and again after each failure． That's ________ he succeeded at last．

【推荐2】After five hours’ drive, they reached ___________ they thought was the place they’d been dreaming of. （用适当的单词填空）

【推荐3】________ delighted me most was that my son was admitted to Beijing University.

【推荐2】Was it ________he was playing volleyball on the playground ________he got hurt? （用适当的词填空）

【推荐3】Was it in 1969 ________ the American astronaut succeeded in landing on the moon?