You can only borrow two books ____________ if you don’t have a library card.A. on time B. in time . from time to time D. at a time
----Mum, can I do the homework tomorrow? ------You _______finish it today.
---How is Sandy? She stayed at home_____ the meeting last Sunday. ---- Yes. She is much better now.
Why is Simon ________ crazy _________ playing computer games?
---_______do you send e-mails to your pen friend? ------Once a month.
Amy, if you feel sick, you ________us in the game this afternoon.