—How great Sun Yat-sen is!—Yeah, he has ______ the Qing dynasty.
Tom asked my friend ________.
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.