In my opinion , the thief is likely to come , please look _____ for him .
| A．up | B．after | C．out | D．down |
( ) 14. The students handed in their test papers to the teacher _______ .
| A．one after the others | B．one by one |
| C．one after one | D．one after the other |
( ) 13. It’s well known to us all ______ Beijing will _____ the 2008 Olympic Games.
| A．that , hold | B．whether , host | C．when, hold | D．that , host |
( ) 12. He needs one more stamp before his collection __________.
| A．has completed | B．will complete | C．has been completed | D．is completed |
( ) 11. ________ fresh air, people may start to feel sick. So make sure you open the windows while working.
| A．For the absence of | B．In the absence of | C．In the honour of | D．In the short of |
( ) 10. To ________ the patient’s quick recovery, the doctor gave him the most effective medicine.
| A．make sure | B．be sure that | C．insure | D．Ensure |