2. Were Tom and Dan at school yesterday?

Tom and Dan weren't at school. 

They were at home.

Giải thích: Tom and Dan là ngôi thứ 3 số ít

⇒ Tobe là were

3. Was Nick at home yesterday?

Nick wasn't at home. He was at work.

Giải thích: Nick là ngôi thứ 3 số ít ⇒ tobe là was

4. Were Liz and Jane at the cinema yesterday?

Liz and Jan weren't at the cinema. They were at school.

Giải thích: Liz and Jan là ngôi thứ 3 số nhiều ⇒ tobe là were

#chucbanhoctot

2. Were Tom and Dan ...

... weren't at school

... were at home

3. Was Nick ...

... wasnt't at home

... was at work

4. Were Liz and Jane ...

... weren't at the cinema

... were at school

Dùng thì Quá Khứ Đơn ( dấu hiệu: yesterday)