初中英语介词短语单选题

We have a Computer lesson _______ every Friday.

A．in

B．at

C．on

D．/

We usually get up_____ six o’ clock ____.the morning.
A. at, on                   B. at, in                   C. on, in

The            World Table Tennis Championship began            the morning of May 25, 2010            Moscow, Russia.

A．Fifty; in; in

B．Fiftieth; on; in

C．Fiftieth; in; on

D．Fifty; on; in

The teaching building has five floors. My classroom is ______________ the third floor.

A．on

B．in

C．at

D．to

To improve his English，he spends _______one hour a day listening to English programmes.

A．at last

B．at least

C．at once

D．at all

Lily gets up  ____ 7 o’clock.

A．in

B．on

C．at

D．to