Hangzhou is well-known ______ the west lake_____the capital of Zhejiang.

I often hear the girl_______ beautifully next door. When I passed the door, I heard her _______ just now.

— Ready to give up, Jim? — No, Hold on! I think I _____to the answer. [ ]

In the dark forests ________，some large enough to hold several English towns.

Soldiers are trained under conditions that closely ______ real army inspection of PRC on National Day in Beijing.