3 & 4 REVIEW AND CHECK

GRAMMAR 1

100

When we got to Terminal 2, the flight from Seoul _____

a) had already landed

b) had already been landing

c) already landed

a) had already landed.

GRAMMAR 2

100

When we arrived at the airport, we _____that our flight was delayed.

a) had discovered

b) were discovering

c) discovered

c) discovered

GRAMMAR 3

100

We _____ for about an hour when suddenly the plane began to lose altitude.

a) had been flying

b) were flying

c) flew

a) had been flying