They all wanted to stop working because they were tired, but of them would say so．
A．any B．some C．none D．neither
_________ the flight to New York will be delayed is _________ I’m especially worried about．
A．If; what B．Whether; that
C．When; that D．Whether; what
Only by imagining and creating ____the problem．
A．can solve B．you can solve
C．solve D．can you solve
_____ no need to worry about the problem．The government has promised to have clean water _____ to us from door to door．
A．It is ; delivered B．It is ; delivering
C．There’s ; to deliver D．There’s ; delivered
Facing the ______ situation , Tom looked ________．
A．puzzling; puzzled B．puzzling; puzzling
C．puzzled; puzzled D．puzzled; puzzling
Don’t be upset．I think Tom, rather than you, _______
A is to blame B are to blame C is to be blamed D are to be blamed
