—— Can’t you notice the person shaking hands with the leader? He is our classmate Tom!
—— Oh, my God ! I ____________ him.
| A．don’t recognize | B．didn’t know | C．don’t know | D．didn’t recognize |
I don't want to get ________ in some lengthy argument about who is to blame.
| A．included | B．involved | C．concerned | D．affected |
For a moment Tom was ________ how to reply to the question.
| A．no idea | B．not knowing | C．puzzling | D．at a loss |
—How did your mother react ________ the news?
—She reacted by getting very angry.
| A．on | B．of | C．with | D．to |
We felt excited so much________ we saw the Statue of Liberty in America last year.
| A．that | B．which | C．when | D．while |
In the evening there was a barbecue，with the whole village ________ the fun.
| A．joined | B．joined in | C．joining | D．joining in |