上网课Taking an Online Class

In the morning.

This is a sentence fragment so I deleted it and appended it to the next sentence.

In the morning I was taking an online course in English.

The reason for online classes is that Oour teacher's code has turned yellow.

We were very happy a lot because we canould have classes in bed.

"could" is past tense for "can."

I was distracted during class.

Suddenly tThe teacher suddenly called my name, but I caouldn't answer the teacher's question. I felt ashamed.

I was takingtook an online course in English.

The reason for online classes is that Oour teacher's code hasd turned yellow.

We were very happy a lot because we can haveould attend classes in bed.

Suddenly the teacher called my name, but I caouldn't answer the teacher's question.I felt ashamed.

In the morning, I was taking....

Merge this with the next sentence.

The reason for online classes iwas that Oour teacher's code hasd turned yellow.

We were very happy a lot because we can have classes inould attend class from our beds.

Suddenly the teacher called my name, but I caouldn't answer the teacher's question., so I felt ashamed.

中文：在上午，我们上课英语线上课，线上课的原因是因为我们老师的码变成黄码了，我们很开心因为我们可以在床上上课，它非常的舒服，我在上课是时分了神，突然老师点了我的名字，我不能够回答老师的问题，我感到很惭愧。

I was takingtook an online course in English.

The reason for the online classes iwas that Oour teacher's code has turned yellow.

I'm not sure what you mean by 'code' in this sentence. Is it health code? QR code? you could give more details.

We were very happy a lot because we canould have classes in bed.

Suddenly the teacher called my name, but I can't answer the teacher's question. so I felt ashamed.

You could make the sentence more personal e.g "suddenly my teacher called my name, but I can't answer the his/her question so I felt ashamed."