t remember when ______ turning point occurredexactly, but it might be ______ summer morning when I was in New York.

下列作家作品常识搭配有误的是

________ three years and a half since theybegan to build the great bridge.

The reason ____he was late was ____he had taken a wrong bus.

didn’t Tom go to the concert last night — I have no idea,but I think he _____ in his study.