—________do you spell computer?—C-O-M-P-U-T-E-R.
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.