The question that puzzled them is ____ they can get rid of the air pollution in the area.
A. how is it that B. that is how C. what is that D. how it is that
Rock-climbing is a breathtaking activity, very popular nationwide among young people, ______ cooperation as well as courage plays an important role.
A. who B. which C. where D. of which
-----What about today’s temperature?
------It’s the same as, if the weather report is exact as usual, _____ of yesterday.
A. one B. that C. ones D. those
— Can I pay the bill by check?
— Sorry, sir. But it's the management rules of our hotel that payment ______be made in cash.
A. can B. need C. will D. shall
Agriculture _____ about 14 percent of global greenhouse gas emissions, and transporting the food around adds to the environmental cost.
A. cares for B. applies for
C. accounts for D. answers for
What’s the chance of ________ a general election this year?
A. there being B. there to be C. there be D. there going to be
