Ⅵ、书面表达(满分25分)
____ late in the morning, Bob turned off the alarm.
It is only when the disease has progressed to the AIDS ____ a person begins to look sick.
The warmth of ____sweater will of course be determined by the sort of ____wool used.
— Can you keep an eye on my bag, Tom? I just want to use the bathroom.—____. It will be safe with me.
The road is covered with snow. I can’t understand _____ they want to go to school by motorbike.