单项选择题
How many ( )do they work per day?
A、products
B、workers
C、shifts
D、sales
How many ( )do they work per day?
A、products
B、workers
C、shifts
D、sales
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单项选择题
下面在AndroidManifest.xml文件中注册BroadcastReceiver方式正确的( )
下面在AndroidManifest.xml文件中注册BroadcastReceiver方式正确的( )
android:name="android.provider.action.NewBroa