—Look! How long ______ like this?
—More than 20 days! It’s usual here that rain pours without stopping in May.
A．did it rain B．is it raining
C．has it been raining D．doesn’t rain
The man tried out several means to have those people ______ what he said.
A．carry on B．break out C．stand by D．get across
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
