17. Be when you cross the road.
| A．careless | B．beware | C．careful | D．Carelessness |
Every minute is made full use of __ at our lessons.
| A．to work | B．working | C．having worked | D．being worked |
I would appreicate ___ very much if you could tell me something about bird flu.
| A．this | B．that | C．it | D．you |
----____your watch?
---Yes, I ___ it when I tidied the drawer
| A．Did you find; have found | B．Did you find;has found |
| C．Have you found ;found | D．Have you foundl have found |
I do every single bit of housework ___ my husband Bob just does the dishes now and then.
| A．since | B．while | C．when | D．as |
The American soldiers ____ Iraq kissed their family goodbye and left in a hurry.
| A．got to | B．to be sent to | C．sent to | D．having been sent to |