_______is no good always complaining about life. At least, we are living.
| A．It | B．There | C．This | D．That |
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 |