The mother who lost her son insisted that the careless driver for the traffic accident yesterday .
| A．was to blame ; happening | B．be to blame ; happened |
| C．be blamed ; was happened | D．was to blame; had happened |
I found all ________ in the play funny and interesting.
| A．directors | B．the director | C．characters | D．the characters |
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 |