The plane arrived at London airport ______ Wednesday.

What do you usually do ________ Christmas?

Mrs. Brown worded in the west of Australia ________ last summer.

The first class begins _______ 8 o’clock ______ the morning.

_______the past two months he has been busy with his school work.

________last Saturday, we had two football matches with Class Two.

We will be in Nanjing _____ Tuesday ______Thursday.

Mr. Black will visit our new school building ______ two days.

_______ the end of last spring Wang Hai joined the army _______ the end.

We will have a football match _____ this Saturday afternoon..