This nationwide smog should serve as a reminder to all, indicating a high time that we ______ on what we've done to the environment.
A. have reflectedB. are reflecting C. will reflectD. reflected
The Chinese abacus(算盘), officially ______ as a cultural heritage at the 8th Annual UNESCO World Heritage Congress, is another symbol of Chinese wisdom.
A. having listedB. listedC. having been listedD. listing
— Tom seems not so enthusiastic as he was two years ago.
— Yes. He’s really reached a point in his career ______ he has to decide what to do next.
A. thatB. when C. whereD. which
—Daddy, which of these smart kids do you like best in last night’s TV show?
— ________ . They are all proud and selfish.
A. Either B. Nothing C. Neither D. None
Guangzhou Evergrande has raised China's hunger for soccer glory ever since the year 2013 ______ a series of its victories over other teams in and abroad China.
A. sawB. bidC. had seenD. had bid
The Roman alphabet is a Greek invention, ______ is the marathon, a long distance race created in honour of a Greek soldier.
A. whichB. whatC. thatD. as