We can eat in the dining hall. But we _______ eat in the classroom.

Only after staying in England for a few weeks did Li Lei become used ____ Chinese.

In our school ________ students can search the Internet for useful information now.

He often gets up _______ nine o’clock _______ Sunday morning.[ ]

Is _______ girl in white your sister? —Yes. She is a nurse and works in ____ hospital.