梆笛是属于（）地区的吹管乐器。
A、南方
B、北方
C、西南
D、西北
参考答案：B
用所给动词的适当形式填空。
1. Here are the three basic questions about (learn ) English .
2. If you work hard ,you will find it easy (learn ) English well .
3. I am very tired. Who can help me (clean) the blackboard?
4. I think you should (watch ) TV in English if you want to improve your English.
建筑材料计划一般按用途分类，主要有（）计划
A.需用量
B.采购
C.供应
D.进度
E.总
ll find it easy (learn ) English well .