4. D. Complete the conversations with the correct forms of the verbs in parentheses.
(Hoàn thành các đoạn hội thoại với dạng đúng của các động từ trong ngoặc.)
1. A: What _____ (you / do) when I _____ (call) you yesterday?
B: Well, I _____ (write) an essay.
2. A: _____ (you / shop) at Big K supermarket when my brother _____ (meet) you yesterday?
B: No, I _____ (eat) ice cream in front of the food court when he _____ (come) and _____ (say) hello.
3. A: What _____ (your parents / do) when we were talking on the phone yesterday?
B: My dad _____ (cook) dinner while my mom _____ (clean) the house.
a
were you going
called
was writing
were you shopping
met
was eating
came
said
were your parents doing
was cooking
was cleaning