all know, it was _____ that resulted in the terrible car accident.

I ________ up early this morning, so I stayed in bed until 8 o’clock a．m

Is Alice your sister—________. My sister is Helen.

In this country, the quality of food product is _____ according to the highest international standard.

―Excuse me, Sir, but could you tell me how to go to the railway station?―Sorry. You’d better ask, I’m afraid, ______ is a native.