选句子补全对话。

A. I had class on line and slept a lot. B. We couldn't come back to school on time in November, 2020. Do you know why? C. Did you help your parents do housework? D. Nice to see you, too. E. What did you do at home during the holiday?

Miss Gao: Boys and girls, nice to see you again!

Ss:

Miss Gao:

Tom: I learned to cook.

Miss Gao: What about you, Sarah?

Sarah:

Miss Gao:

Ss: Yes, I did,

Miss Gao:

Ss: Yes. Because of h serious disease (疾病)—NCP.

Mum: Look after yourselves. We'll go to see a doctor and come back soon.