themorningofmymother’sbirthday-优题课

_______ the morning of my mother’s birthday, I usually help my mother do some housework.

A．On

B．In

C．During

D．At

科目英语题型单选题难度较易

We must keep our room clean, for dirt and disease go______.

The plans flew smoothly ______ in the sky and people spoke ______ of theexperienced pilots.

Thanks to the good care of the nurses ,the boy is ______ recovering from his lung operation .

Mike came late again. It is _____ of him to keep others waiting.

While sometimes it’s necessary to have phone calls in public, loud phone conversations are not so.