36.A group of foreigners visit the slums last week, didn’t they? A B C

36.A group of foreigners visit the slums last week, didn’t they?
A B C D
37. The band will playing when the President enters.
A B C D
38. Fiona will be invited to John’s birthday party evening tomorrow.
A B C D
39. Tomorrow afternoon we will be play tennis from 3 o’clock to 4.30.
A B C D
40. Will we travelling in driverless and high-speed cars in the future?
A B C D
41. Some of these clothes are my, and the rest of them belong to Peter.
A B C D
Giải thích chi tiết giúp mình nha ^^