中国公民出入境，须持用下列的证件。（） A.护照 B.旅行证 C.出入境通行证 D.
题型：多项选择题
问题：
中国公民出入境，须持用下列的证件。（）
A.护照
B.旅行证
C.出入境通行证
D.签证
E.身份证
题型：多项选择题
根据句意及首字母或者图片提示填空。
1. English isn't d_______ to learn, if you have an efficient method.
2. I like v_______ very much, for it is very fun.
3. Playing _______ is indeed really interesting. 
4. My sister has a ping-pong _______. 
5. _______ is young boys' favorite. 
6. We need a _______ ball, Dad! 
7. Does your sister have a _______? 
8. —Where is your pencil, Dave? —It's in the _______ on the desk. 
9. There are many _______ on the tree. 
10. His sister has two _______ They're very nice. 