Math teacher David Benke said he had notime____his life when he stopped a man shooting at students

––I’d better ___ now. The water is boilingin the kitchen. –— Goodbye.

the satellite launch drawingnear, the research workers put their hearts to the test and always stayed uplate

Ms Liu likes wearing formal clothes, but his sister usually dresses ________.

－ Is yourfather in－ No, he ______ for three hours.