تستطيع بعض الحيوانات تغيير لونها بلون البيئة المحيطة لتحمى أنفسها من حيوانات أقوى. فكل حيوان له خصائص تعينه على الحياة فى بيئته الخاصة.

Amir : I’m presently short of money. Samir: Don’t bother about that. I .................. you a loan.

The plumber managed .................. the tap and apologised for our neighbours.   

No one can avoid getting old, as aging is a natural process that gradually happens. During early middle age, many bodily functions begin to decline.

The manager is going to the mechanic because his car .................. every month.