—Tom didn’t come last night,did he?—No.I _______ have waited for him.A whole night was wasted.
If metal is heated and then cooled very quickly, , by dipping in cold water, it will be very hard but will break easily.
Mike is excellent in math, _________, he didn’t pass the final exam this time.
The doctor advised her to ______ eating food rich in fat to lose weight.
His story is ______ his own experience when he was studying in Harvard University.
His wife ________him to stop smoking, but he didn’t listen.