The medicine may help with your illness, but it may make you _____ , so you must be careful not to drive a car after taking such a medicine.

What is your sister doing now? —She isfor the party tonight.

We often chat _____ each other _____ lunchtime.[ ]

_____ soldiers and doctors have been in Wenchuan to help the people there.

Please at once after all of you have finished your homework.