Hình như bài này chia làm hai trường hợp: 

TH1: M trước H ( phản ứng với axit)

Th2: M sau H( ko phản ứng với acid)

Bn vt ptr rồi tự làm nha

1.arrives

2.are having

3.will snow

4.will be meeting

5. is going to fly

6.am driving

7.starts

8. finish

9.am going to open

10. is going to rain

A mosquito has just sting me

11. When we ________________ (give) our presentation, there ________________ (be) a sudden cut of power.

12. Before Milan ________________ (take) a German course, she ________________ (learn) English and Spanish.

22. We ________________ (order) ________________ (evacuate) to a safer place because of the storm.

24. We ________________ (advise) ________________ (stop) ________________ (use) plastic bags.

26. I ________________ (inform) you when your package ________________ (arrive).

1.     Some villagers ________________ (force) ________________ (leave) their house because of the volcanic activities in the region.

1.     The prediction of the earthquake made the government ________________ (evacuate) thousands area from the dangerous area.

1.     The kilt is the skirt for Scottish men, which ________________ (often / wear) special occasion.

11. When we ________________ (give) our presentation, there ________________ (be) a sudden cut of power.

12. Before Milan ________________ (take) a German course, she ________________ (learn) English and Spanish.

22. We ________________ (order) ________________ (evacuate) to a safer place because of the storm.

24. We ________________ (advise) ________________ (stop) ________________ (use) plastic bags.

26. I ________________ (inform) you when your package ________________ (arrive).

https://www.youtube.com/watch?v=abFKfwC_50M&ab_channel=%C4%90%C3%A0iPh%C3%A1tthanh-Truy%E1%BB%81nh%C3%ACnhH%C3%A0N%E1%BB%99i%2aHANOITV

Đỗ Thanh Hải-272

A.4,48l