The thieves ran away when the burglar alarm(防盗警报器)________.
The beautiful girl _________came here last Saturday is my friend.
—Bill, is the pink umbrella Ann’s?—No, it __________ be hers. Hers is purple.
—You won the first prize in the Physics competition.— . I made several terrible mistakes.
—Eric stayed at home because he hurt ________ when he went home by bike.—Sorry to hear that. Let’s visit after school.
—Are you going to Mary’s party tonight?—No, I won’t go__________ you go.