We are disappointed to know that by the time the delegate arrived, the meeting had ______ started.
A: still
B: already
C: once
D: yet
                    A: still
B: already
C: once
D: yet
举一反三
- When we _____ at the company, the meeting had already begun. A: arrive B: have arrived C: arrived D: would arrive
 - When we ________ to the airport, we learned that the plane had already ________ in Shanghai A: arrived; reached B: reached; got C: got; arrived D: arrived; got
 - We arrived professor Baker had already called the roll.
 - _______ we get to the meeting, the presentation will have started. A: As soon as B: By the time C: Whenever D: Until
 - No one has()been able to know who she is. A: still B: yet C: already D: just
 
