—Do you like Nack?—Yes, Nack is good, kind, hard — working and intelligent; ________ , I can't speak too highly of him.
—Do you mind if I open the window? —.
Great changes ______ in China in the past 20 years.
His illness his absence.
When the man was trying to break into the bank, he was caught by the police.
My best friend who _______ a rich man two years ago has a baby now.