--- Who is ________, Tom, Mike or Jim? --- I think Jim is. A. the tallest B. taller C. tallest.
_____useful information you’ve told us!
The thief was noticed _____the office building by the back door on the screen.
These cabbages ______ well because they _____nice.
— When will you come to Daqing? — I will call you _____I arrive.
Tom did all _____he could to get on well _____his classmates.