下列各句中，没有语病的一句是（ ）

Don’t stay up late because you must get up early tomorrow.—Don’t worry, I getting up early.

What were you doing yesterday afternoon— We were singing ____.

.Mr. Johnson starts to work very early inthe morning and goes on working until late in the afternoon ________a break atmidday.

下列各句中，没有语病的一句是(　　)