The Tower _____here for over 1000 years. It may be the oldest building in my hometown..A. was B. has been C. used to be
—Why don’t those children go to school? They’re too young to work in the factory. --Maybe their parents can’t_______their education.
—How does Jack usually go to school? --He_____a bike, but now he_____there to keep healthy.
—Tom, please wash the fruit more times. --I see. People use chemicals______on their fields.
—Little Kate went to the concert_______it rained heavily yesterday.
—How do you study____ a test? --I study____working_______my classmates.