Sorry, I am late. I ______ have turn off the alarm clock and gone back to sleep again.
---How did you find your trip to America, John? ---_________.
The little kitty saw itself _____ in the water and felt puzzled.
The person sitting opposite _____ Mr.Smith is our new manager.
I’m not a teacher in this school.I _____ until a new teacher arrives.
The scientists are urging that the chemical _____.