I spent half an hour ___________ my homework.

Can I ask you a few straightforward questions about yourself? — No problem. I like ______ when people are open and direct. [ ]

When Tom________，please let me know.—Mary said when Tom________，just tell her about it.

One day, when I was walking in the street, someone dropped a pie from a window above, and it _______ missed landing on my head

29．Lucy had to shout ___________on the noisy street．