Some teenagers often help old lonely people.

We learn how things work in ____Physics____ class.

There is a ten-floor building in front of my house.

She __took__ across her old friend on the street yesterday morning.

What an ..intere.sting film!

We study the life of plans and animals in ___Biology____.

5^x+1 = 25

5^x+1 = 5²

=> x + 1 = 2

=> x = 1

Ba is good at repairing ... appliances.

A.home

B.household

C.family

D.house

That’s very kind of you to help me with these Maths exercises.

Hoặc có thể là đáp án C đó bn!