1 feel that one of my main duties ______ a teacher is to help the students to become better learners.
Could you tell me when to get the book _____ I want to read?
The math problem is so hard. I really don’t know _____.
She told us _____ story that we all forget about the time.
At that time, Tom was _____one-year-old baby.
Mr. More has more money than Mr. Little. But he doesn’t enjoy_____.