31. How many latest rules are there in the school?

36. From the first paragraph we can infer

4. ______ breaks the widow will have to pay for it.

19.

15. He ought to have come by now. I ______ that some accident has delayed him.

13. She bought the dictionary ______ $35.

6. How much _____ she looked without her glasses!

教师良心是教育工作者道德觉悟的综合表现。（ ）

49. Where the flight will take off depends on the weather.

34. Why are volunteers wanted?

39. Which is the correct order according to the passage? ①Li came back to the village to look after her sick grandmother. ②Li made videos to advertise the products she sold in her online store. ③Li grew up in a small village with her grandmother. ④Li became famous at home and abroad because of the videos. ⑤Li ran an online store.

18.