—Look at the boy running on the ground. Is it David?—It be him. I saw him go to the teacher’s office just now.
You can’t imagine(想像) how much difficulty he had ___________his bad moods.
Amy was not sure _______________________.
When I feel blue , I prefer ________some books _______myself up.
The sign ______, “ No photos!” Why are you still taking photos here ?
Tom _______ go to Jenney’s birthday party because he argued (争吵) with her days ago.