–Carl, are you interested in swimming?--Yes, ___ I’m not good at it at all.
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.