–__________ will the meeting last?–Less than an hour.
Tony gets up very late in the morning, ______ he is often late for school.
No one can exactly tell us what .
---Look at the glasses on the desk.Are they David’s?---They belong to him.I saw him go out with glasses just now.
of our classmates are good at basketball.
--- skirt is blue. is red.Which of them do you prefer?--- is OK.I like their styles.