The world's economic development is not a win-lose game but one in which all ________ be winners.
A. can B. shall C. must D. would
I really ________ thank you enough. It’s been an wonderful day.
A. needn’t B. should C. must D. cannot
According to the newly-made traffic regulation，whoever drives through red light be fined at least 200 dollars．
A．shall B．may C．would D．should
Itbe a good movie—its reviews were very good．
A．can B．should C．might D．need
He was having a meeting；otherwise he over to help us．
A．would have come B．had come
C．should come D．came
Judging from his IQ and his present state of study，he be admitted to Tsinghua University this year if nothing special happens．
A．should B．shall C．can D．must
