9. Mary clapped her hand over her mouth _______ she realized what she had said.
| A．while | B．as soon as | C．suddenly | D．then |
Dunhuang used to be a marketplace _____everybody came and were able to purchase silk, tea, porcelain(瓷器)…
| A．which | B．that | C．when | D．where |
President Xi Jinping urged that officials and public figures _________by example and _______ good values among Chinese citizens, especially the younger generation.
| A．leads, promotes | B．led, promoted |
| C．lead, promote | D．have led, promoted |
-Where can we get Mo Yan's new novel?
-I'm sorry, itand will come out next week.
| A．has been printed | B．will be printed |
| C．is being printed | D．is printed |
The world today different without the amazing discoveries produced by great scientists.
| A．were | B．had been |
| C．would have been | D．would be |
The captain as well as his team interviewed shortly after they won the gold medal.
| A．are | B．was | C．is | D．were |