Facts prove that 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
David apologized for _______ to inform me of the change in the plan.
A．his being not able B．him not to be able
C．his not being able D．him to be not able
Can $ 500 _________ the cost of the whole trip?
A．contain B．cover C．include D．afford
What he said is not to the point _____ we should focus on constructing a harmonious society.
A．that B．which C．where D．if
My cousin went to Canada two years ago. He ____ there for a few months and then went to America.
A．worked B．would work C．would be working D．has been working
My laptop computer, _______ I can’t go on with my work, broke down the other day.
A．for which B．which C．without it D．without which
