Sentence completion:

25: Air-travel is the most modern form of (A) transport.
26: It (B) is developed air and others use cargo planes to move.
27: Some travel for business, others go on holiday (A) in their products.
28: Move very (B) quickly.
29: Airports are getting busier, and it is evident that (A) more passengers and businesses than ever are using airplanes to get to their destinations.

Sentence transformation:

30: "I am working for a bank in Ha Noi now," my brother said.
(A) My brother said that he was working for a bank in Ha Noi then.
31: Jenifer is more intelligent than all the other students in my class.
(A) No student in my class is as intelligent as Jenifer is.
32: Finish your homework or you can't go out with your friend.
(C) If you don't finish your homework, you can't go out with your friend.
33: People expect that the weather will be good tomorrow.
(C) It is expected that the weather will be good tomorrow.

Sentence structure:

34: I have not seen my aunt since the Covid-19 began in 2019.
(D) I haven't seen my aunt since the Covid-19 began in 2019.
35: My uncle used to fly an airplane many years ago.
(B) My uncle used to fly an airplane many years ago.