`1. F`

Dẫn chứng: 'I had a summer vacation last year.'

`->` 'last week' sai.

`2. F`

Dẫn chứng: 'Some girls forgot (their) her passports in (their) her houses.'

`->` 'boys' sai.

`3. T`

Dẫn chứng: 'We checked our money and luggage.'

1. False

last week `->` last year

Dựa vào câu: I had a summer vacation last year.

2. False

Some boys `->` Some girls

Dựa vào câu: Some girls forgot her passports in her houses. 

3. True

Dựa vào câu: We checked our money and luggage.