46.Theteachersarestrict

问题详情：

46. The teachers are strict ________ their pupils.

47. We think _________ necessary to master a foreign language.

48. There are times __________ we need quiet and peace.

49. Beijing was the first city in China __________(hold) the Olympic Games.

50. How much ________ (popular) you look with this pair of sunglasses!

【回答】

with   47. it   48. when   49. to hold   50. more popular

知识点：语法填空

题型：完型填空