—Mr. Smith _____ in Russia for 10 years. —No wonder he can speak Russian fluently and now teaches Russian in a Chinese college.
The traditional view is ______ we sleep because our brain is “programmed” to make us do so.
______ he referred to in his article was unknown to the general reader.
Small sailboats can easily turn over in the water ______ they are not managed carefully.
His movie won several awards at the film festival, ______ was beyond his wildest dream.
The Town Hall ______ in the 1800’s was the most distinguished building at that time.