Bob can play ________ tennis but can’t play ________ violin.
Shandong is ______ the east of China, and Japan is ______ the east of China.
_______ was the temperature yesterday?
Most teenagers play games on their smart-phones(智能手机)_______fun.
She wanted to buy some comic books, but there was ______ left in the shop.
I often hear the girl_______ beautifully next door. When I passed the door, I heard her _______ just now.