định nghĩa từ:
1 we build it to cross the river =>........
2 we wait for the bus at thí place =>.....
3 we send postcards and letter at this place =>.......
4 it's the title ofa story =>...........
5 you can visit and see many kinds of animals here=>...........
6 you can read and borrow the book here but you can't buy =>............
cj ngan77666 còn đó ko
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