①China ought to make_____to the world.

①China ought to make_____to the world.
A.a greater contribution B.greater contribution
②The water in this glass is too hot.I prefer some cold_____water.
A.to boil B.having boiled C.boiling D.boiled
③The suggestion that the president____the meeting was accepted.
A.would attend B.attend C.attends D.ought to attend
④The prize of the game show is 30000 and an all expenses____vacation to China.
A.paying B.paid C.to be paid D.being paid