After hard work, he felt _______ tired to walk.A. so B. to C. too
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 ________.