a b c c c a b c b b b c

1. a

2b

3c

4c

5. c

6,b

7. b

8. c

9b

10b

11b

12c

D

D

\(A=7\left(1+7+7^2\right)+...+7^{118}\left(1+7+7^2\right)\)

\(=57\left(1+...+7^{118}\right)⋮57\)

1 friendly

2 orphanage

3 humorous

4 extremely

5 beautiful

6 luckily

7 peace

8 lovely

9 sociable

10 different

1, friendly

2, orphanage

3, humorous

4,extremely

5, beautiful

6, lucky

7 peace

8 lovely

9 sociable

10 different

2 inside

3 downstairs

4 in

5 outside

6 here

7 upstairs

8 on

9 over

10 out