It’s really ________ you to drive so fast on such a foggy day. Slow down!
You must be very tired. Why not ________ a rest?
--What were you doing at 9 o’clock last Sunday morning?--I ________.
The accident ________ a windy night last year.
--How about your English?--I found ________ hard to learn it well.
He looks upset. He doesn’t know ________.