My brother ________ playing ping-pang.
It’s quite warm here, we_________ leave the stove on .
--Did your parents go to see a film called The World of Dinosaurs last night?---No. We______ stayed at home watching TV.
There will be______one-hour documentary tonight on TV. It tells a story of______honest boy in the mountain village far away.
How time flies! Three years _________ in our junior high school.A. have passedB. have been passedC. has passed
It _____ three years since we ______ to college.A. was; wentB. has; beenC. has been; went