His sudden look of fear made _____ clear that he had something to do with the matter.
| A．him | B．this | C．it | D．that |
— I find it astonishing that John ____ be so rude to me.
— Not astonishing at all. He is always rude to others.
| A．should | B．must | C．might | D．ought to |
— Go and see who is making so much noise.
— ____ the children.
| A．There are | B．They are | C．That is | D．It is |
Only through ____talks can we build trust and only through cooperation can create ____ win-win economic situation.
| A．\ ; a | B．the ; the | C．\ ; the | D．the ;a |
I really don’t know _______ I put my wallet．
| A．where was it | B．it was where that | C．where it was that | D．where was it that |
There is no _______ to think more about the matter．Take it easy．
| A．point | B．doubt | C．worry | D．need |