英语单词填空of ,by ,may ,situations ,custom ,comes ,named ,use ,fo

英语单词填空
of ,by ,may ,situations ,custom ,comes ,named ,use ,for ,want
Many Americans 1.__ informal shorter names instead 2.__ their formal name.For example,someone 3.__ Samuel Johnson may be called Sam 4.__ his friends.Likewise,Richard Brown may ask you to call him Rick; Barbara Stein may 5.__ to be called Barb.The family name 6.__ second in the U.S."John Smith's" family name is Smith.In formal 7.__,or when you meet someone 8.__ the first time,you would want to call him "Mr.Smith".Often,even people you do not know very well 9.__ want to call you by your first name -- this is the informal American 10.__ .Americans think it is friendlier and more relaxed to use the first name.