are

the

b

HCMC is smaller than HN city

You musn't travel alone to the mountain

a

có bị động đâu mà p dùng walked

này là dạng rút gọn của was wallking => walking nha

saw-walking

making

He is 13 years old.

He lives with his parents and a younger sister.

There are 8 rooms in his house.

His mother often grows flowers in the yard.

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