What are you doing, Jack?—I’m looking for some information about the event ________ attracts all the people’s attention.

She wants to stop English _______.[]

You should keep your eyes _____ when you do eye exercises.

When shall we start?—Let’s _______ it 8:30.Is that all right?

Jack’s mother was twenty-seven when he was born. Jack is eleven this year. How old is his mother?