Trộn 200ml dd HCl 1M với 300ml dd AgNO3 0,5M.

Tìm lỗi sai và sửa lại cho đúng:

1) The children were frightening by the thunder and lightning.

2) Two people got hurt in the accident and were took to the hospital by an ambulance.

3) The students helped by the clear explanationthat the teacher gave.

4) That alloy is composingby iron and tin.

5) The winter of the race hasn't been announcing yet.

1) The Greens had a carpet clean their carpet.

--> The Green's carpet................................

2) Somebody has described Keith Jones as the world's greatest guitarist.

--> It.............................................................

3) A lot of people believe that the Prime Minister and his wife have separated.

--> It..........................................................

''giúp mk vứiiiiii''