I’ll probably see you on Sunday； ， it will be on Monday.
| A．thus | B．then | C．after all |
D．if not |
I need some carbon paper badly, but there is _____ at hand.
| A．none | B．no one | C．nothing | D．not anything |
“We Chinese people always put emphasis on the friendly relationships ______ the people of all countries.” said the Ambassador.
| A．with | B．under | C．to | D．between |
______ to reach them on the phone, we sent an email instead.
| A．Fail | B．Failed |
| C．To fail | D．Having failed |
He didn’t make____clear when and where the meeting would be held.
| A．this | B．that | C．it | D．these |
Only then _________the importance of my health.
| A．did I realize | B．had I realized | C．I realized | D．I had realized |