請幫我改這幾句英文

He is (talking) on (the) phone, and he will have a meeting after (answering) the telephone(.) (May) I have your name and telephone number? (I)will tell him to call you after the meeting.

I usually see you near my company in the afternoon. (correct)

I don’t know his name. (correct)
I don’t know what (his) name (is).

I (come here to) get back the refund.

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1. He is telephoning, and he will be having a meeting. Would you mind leaving your telephone number? He will phone you back after the meeting.

2.I usually meet you near my company in the afternoon.

3.I don't know his name./ I don't know what his name is.(ps NOT "I don't know what is his name.")

4.I come here to demand a refund.

他正在說電話,以及他稍後會開會.你能夠給留言嗎?開會後我叫他覆你.

He is on line at the moment, then a meeting following at once.
May I take you message? so he can get back to you after the meeting.

(英口语中,正在說電話是"忙线",the line is busy, he is on line, - we use "line" instead of "phone").



我經常在中午,在我公司附近見到你.
I often meet you near my company around noon time.


我不知道他的名字.
I don't know what his name is.
I don't know his name.


我來取退款的.
I am here to collect the refund.

他正在說電話,以及他稍後會開會.你能夠給留言嗎?開會後我叫他覆你.

He is on the phone now, and he will be in a meeting after the call. May I have your name and telephone number? Then i will tell him to call you back after the meeting.



我經常在中午,在我公司附近見到你.

I usually see you near my company in the afternoon.



我不知道他的名字(邊句才對呀)

I don’t know his name <-- correct

I don’t know what he is name <-- incorrect (I don't know what's his name <- correct)



我來取退款的.

I 'm come to have the refund money.