Now teachers tend to be more dependent on ________ is thought to be a great teachingaid — the computer.
When he the door, he found his keys were nowhere.
Every evening after dinner, if not from work, I will spend some time walking my dog.
The loss has not yet been ______ accurately, but it is believed to be well beyond a hundred million dollars.
—Why does the lake smell terrible?—Because large quantities of water in the lake .
John plays basketball well, _______his favorite sport is badminton.