A: 

1. is having

2. was playing 

3. haven't seen

4. finishes

5. to work 

B:

- In the 1980s, the sales of jeans went up and up. (sell)

- The world economic situation got worse in the 1990s. (economy)

- Don’t read that kind of magazine. It’s uninformative. (inform)

- My mother went to the grocery store to buy some food. (grocer)

- Paul is studying in Vietnam as an exchange student. (change)

A.

`1` is having

`->` at the moment `->` thì hiện tại tiếp diễn

`2` was playing

`->` QKD + when + QKTD

`3`  haven't seen 

`->` since the left school - thì hiện tại hoàn thành

`4` finishes 

`->` Câu điều kiện loại 1

`5` to work

`->` try to - V : cố gắng làm gì

B

In the 1980s, the _____sales______________ of jeans went up and up. (sell)

 • The world ____economic_______________ situation got worse in the 1990s. (economy)

 • Don’t read that kind of magazine. It’s ________informative___________. (inform)

 • My mother went to the ______grocery_____________ store to buy some food. (grocer)

 • Paul is studying in Vietnam as an _______exchange____________ student. (change)

@ Nấm lùn 🍄