21 In order to find something to eat and drink, Mr. Smith opened Meituan App and Baidu map, which showed how shops and restaurants were _________ in the city.
A. distributed B. broadcast C. spread D. contributed
22. The new approach Mr. Wang has been devoted to _______effective.
A. is proved B. to prove C. being proved D. proves
23. Today acupuncture has become popular around the world, ________ have other traditional Chinese medicines.
A. so B. as C. while D. like
24. ---Can I use the telephone on the table , sir?
---Under no circumstances ______ to use the telephone in the office for personal affairs.
A. anyone is allowed B. nobody is allowed
C . is anyone allowed D. is nob ody allowed
