请根据句意从方框中选择合适的动词，并用其适当时态填空，使句子通顺。

destroy       control      help        steal      drop

 
Don’t worry about the girl too much. Her temperature __________back to normal if she takes this medicine.  
Who __________ my new bike? I can’t find it anywhere. I put it here last night.
People often __________ forests to build roads in the past. Now they have stopped doing so.
When I passed him just now, he ___________ the icon on the computer with the mouse.
— Why can’t she go to play basketball with us at present?
— She __________ her mother with the housework.