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1 using gas instead of burning coal
2 we reduce the amount of water we use everyday
3 should use energy-saving appliances
4 taking care of the children
5 care of our children when we were away
6 taking the garbage to recycling centers
7 that you didn't phone me
8 my mother was busy, she couldn't go to the party
1. She asked Minh if / whether he could speak Spanish
2. Thanh asked her teacher if / whether she would finish her exercise at home
3. Nien asked Hoa if / whether she had many new friends
4. They asked us if / whether we had to go then
5. They said to us if / whether we had to go then
6. I asked Nam if / whether he was free tonight
7. She asked me if / whether I knew the way to the station
8. John asked Nhi if / whether Phong Nha was in southern Vietnam
9. The visitors asked if / whether they could take photos
10. Daniel asked Jim if / whether there was a cafe nearby
When a tropical storm reaches 120 kilometers per hour, it is called a typhoon
Wearing uniforms encourages students to be proud of being students of their school
the weather was snowy, we couldn't go to work yesterday
put the garbage into the dustbins, we will minimize pollution
so slowly that his students get bored
difficult to find a better solution
When a tropical storm reaches 120 kilometers per hour, it is called a typhoon
Wearing uniforms encourages students to be proud of being students of their school
the weather was snowy, we couldn't go to work yesterday
put the garbage into the dustbins, we will minimize pollution
so slowly that his students get bored
difficult to find a better solution
17 surprisingly
18 time-consuming
19 replacing
20 independent
21 qualifications
22 activists
23 B
24 A
25 C
26 B
27 A
28 A
29 B
30 A
31 C
32 D
33 A
34 B
35 D
36 A