We asked John and Jerry,but ________ of them could offer a satisfactory explanation.
| A．either | B．none | C．both | D．neither |
The Shopping Festival in China falls on Nov. 11 _______millions of Chinese shoppers go to Tmall.com and Taobao.com.
| A．when | B．that | C．which | D．where |
If I had been a little more careful, I _______the wallet behind.
| A．won't leave | B．hadn't left | C．didn't leave | D．wouldn't have left |
Sally is always looking in the mirror, _______herself.
| A．enjoying | B．respecting | C．admiring | D．behaving |
_______we are worried about is that air pollution is becoming much heavier in Han Dan.
| A．It | B．What | C．Why | D．Which |
Thanks to modern technology which has now broken the law of seasons, farming is no longer _______ weather and temperature.
| A．at the mercy of | B．in the charge of | C．in the name of | D．in view of |