It _________ be the postman at the door. It’s only six o’clock.
.______and ______,they ran out of room.
..I like ____in the autumn when the weather is clear and bright.
._______,his idea was accepted by all the people at the meeting.
..I really don’t know______I had my money stolen.
.What a pity! I missed meeting my boss at the airport because my car was ______ in the traffic jam.