下面有关晶体的叙述中，不正确的是（　　）

从方框中选词并用其适当形式填空

（1）My pen pal ____  a brother and a sister. 
（2）Larry ____  math because she thinks it’s difficult. 
（3）The Greens ____ from the USA. 
（4）Please write and ____  me about your country. 
（5）This is a ____  robot(机器人).  It can do a lot of things.