昨天的这个时候他正在做作业。

He was doing his homework this time yesterday.

youdao

爸爸回家时，他正在做作业。

He was doing his homework when his father got home.

youdao

他正在做作业。

He's doing homework.

youdao

妈妈进来时，他假装正在做作业。

When his mother came in, he pretended to be doing his homework.

youdao

你回来时如果汤姆正在做作业，请不要打扰他。

If Tom is doing his homework when you come back, don't disturb him, please.

youdao

你回来时如果汤姆正在做作业请不要打扰他。

If Tom is doing his homework when you come back, don't disturb him, please.

youdao

他可能正在做作业，别打扰他。

He may be doing his homework. Don't disturb him.

youdao

我正在做作业的时候他就来了。

I was doing my home work when he arrived at.

youdao

他现在正在做作业。

He is doing his homework now.

youdao

妈妈进来时，他假装正在做作业。

When his mother came in, he to be doing his homework.

youdao

汤姆正在做作业，他很认真。

Tom is doing his homework, and he is very serious.

youdao

我正在做作业的时候他给我打来了电话。

I was doing my homework when he called me.

youdao

当他来的时候，我正在做作业。

I was doing my homework, when he came in.

youdao

他说：“那时我将正在做作业。”

He said, "I shall be doing my homework then."

youdao

他说：“那时我将正在做作业。”

He said, "I shall be doing my homework then."

youdao