What a pity! I missed meeting my boss at the airport because my car was ______ in the traffic jam.
“Shall Mary come and play computer games?” “No, _______ she has finished her homework.”
The man you referred to _____ just now.
We decided not to climb the mountains because it was raining ________.
He has changed a lot. He _______ not what he _______.
________ cave that George has discovered in his lifetime is near the Alps.