Don’t hesitate ______me if you have any questions.
________confidence and the necessary equipmnt, they failed to rescue the 42 miners trapped in the coal mine.
—The plan _______for the trip is very important.—I see, and he is sure to work it out on time.
Can you explain ______ the OPEC can have such total control over the price of oil?
—Do you know the mission of the volunteers?—No. But I think _____ they will end up doing there will promote public awareness of environmental protection.
The entire hall burst into a great cheer and applause ______ the Nobel Prize winner appeared on the stage accompanied by the chairman.