Hoàn thành các câu sau :

1 . Who / be / strong / person / your family ?

2. My / future house / be / located / the / ocean .

3. We / have / visit / Cambodia / last year .

4 . Yesterday / Nam / go / camping / his classmates .

Tính :

A 1/10×11 +1/11×12+1/12×13+...+1/99×100B 1/1×3+1/3×5+1/5×7+...+1/97×99

Sắp xếp các từ sau thành câu có nghĩa : been / many / I / to / the / have / times / beachs / there