1.A

2A

3D

+ góc xOy với góc x'Oy'

+góc yOz với góc z'Oy'

+ góc z'Ox với zOx'

+ góc xOz với góc z'Ox'

+ góc z'Oy với góc y'Oz

+ góc yOx' với góc xOy'

Pacific

Don’t go near these alligators! They are very dangerous.

1. A. house B. city C. center D. capital

2. A. and B. also C. but D. so

3. A. its B. their C. theirs D. some

4. A. what B. where C. which D. for

5. A. city B. a city C. cities D. the cities

How do you go to school tomorrow?

than

Happy new year!