I. Read. Choose the correct sentences.
1.
Alice saw the accident when she was catching the bus.
Alice was seeing the accident when she was catching the bus.
2.
What were you doing when I called?
What did you do when I called?
3.
I didn’t visit my friends last summer holiday.
I weren’t visiting my friends last summer holiday.
4.
It rained heavily last July.
It was raining heavily last July.
5.
While people were talking to each other, he was reading his book.
While people were talking to each other, he read his book.
6.
My sister was eating hamburgers every weekend last month.
My sister ate hamburgers every weekend last month.
7.
While we ran in the park, Mary fell over.
While we were running in the park, Mary fell over.
8.
Were you finding your keys yesterday?
Did you find your keys yesterday?
9.
Who did she dance with at the party last night?
Who was she dancing with at the party last night?
10.
They were watching football on TV at 7 p.m. yesterday.
They watched football on TV at 7 p.m. yesterday.
Đáp án: B
Giải thích: Hành động đang xảy ra (QKTD) thì hành động khác xen vào (QKĐ)
Dịch:Cô ấy đang giặt giũ thì tôi bước vào phòng.