giải hộ mình với ạ cam on

$\color{red}{\text{#Jameslove}}$

`1`. Are you Russian?

`-` Yes, I am.

`2`. Is she your sister?

`-` No, it isn't.

`3`. Are they friendly?

`-` Yes, they are.

`4`. Are you both from the USA?

`-` No, we aren't.

`5`. Is he well-known?

`-` No, he isn't.

`----------------`

`@` Hiện tại đơn (V_tobe): Yes/No question

`?` Be + S + N? (ai đó có phải là gì)

`+` Yes, S + be.

`-` No, S + be not.

`*` He/she/it/name/N(ít) + is

`*` I + am

`*` We/you/they/N(nhiều) + are.