—What about the services in this hotel?—They are at least as good as, if not superior to, ______ in yours.
——May I help you? You seem to be having some problems. —— , thanks. I think I can manage.
--- Bill, can I get you anything to drink? --- _______(2009 .江苏)
—Hey, can I ask you a favor? —Sure, _______
--- Shall we go for a drink at one o’clock this afternoon? --- . Will two o’clock be OK?
Scientists study ____ human brains work to make computers.