---- Who knocked at the door? ---- I’ve no idea. I just pretended nobody was at home, so I didn’t ask who was___.
( ) 12. He needs one more stamp before his collection __________.
( ) 11. ________ fresh air, people may start to feel sick. So make sure you open the windows while working.
( ) 10. To ________ the patient’s quick recovery, the doctor gave him the most effective medicine.
( ) 9. She never goes home until all her newspapers ________ out.
( ) 8. We’ve decided to hold a football match next week. Will you ________?