27.I would have come to see you earlier, but I __________ too busy.
Mrs. Black went back to_______ place _____ she had found the diamond.
-- Which would you like to see, my passport or my ID card? --- Oh, _______.
The time is not far away _______ the information will be made known ______ more workers will be trained for their jobs.
Wit a large amount of work _______, the chief manager couldn’t spare time for a holiday.
If _______ , English teachers must pass the oral and written tests.