—The plan _______for the trip is very important.
—I see, and he is sure to work it out on time.
A. made B. to be made C. making D. to make
Can you explain ______ the OPEC can have such total control over the price of oil?
A. how is it that B. that how C. how it is that D. what is it
—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.
A. that B. no matter what C. whatever D. whether
The entire hall burst into a great cheer and applause ______ the Nobel Prize winner appeared on the stage accompanied by the chairman.
A. until B. while C. by the time D. the moment
— I see you got a “D” in biology. _______ ?
—Well. I found that subject hard. I think I’ll drop it for history.
A. How about that B. What for C. How come D. What’s your next plan
Having an outdoor meal is always fun, but it can also be damaging to the planet if ______.
A. planned not carefully B. not planning carefully
C. not planned carefully D. not to be planned carefully
