The reason why ________turns off the taps in public is that we always think others will do it.
A.everybody B.nobody C.anybody D.somebody
The energy from the sun and wind is very cheap and it will never ________.
A.run out B.put out C.work out D.carry out
—________we faced while we were carrying out the task!
—Thanks to the volunteers, we could avoid it.
A.How big disaster B.How good luck
C.What a big disaster D.What good luck
All the guests at this hotel________use the business center and the exercise rooms at no extra cost.
A.can B.should C.must D.need
— My feelings for you have not changed, my sweet!
—But you have changed. As time goes by, you are not as you________.
A.are B.were C.will be D.have been
The Hong Kong-Zhuhai-Macao Bridge ________ is a masterpiece（杰作）in modem engineering has won high praise from the world.
A.what B.why C.where D.which
