______ the police thought he was the most likely one, since they had no exact proof about it, they could not arrest him.
At first, his teacher couldn’t' realize that Lang Lang had a ________ for music though he said he wanted to learn the piano so much.
-- Perhaps Tom's not in. -- ________. Look, the light's on.
Was it in the beautiful park ________ was located by the sea ________ we first met our new Chinese teacher?
To our delight, up till now, the European Union, Japan, and Russia ________ their targets for CO2 emissions (排放).
"In no case ________ you are a Chinese." Dad told me before 1 went to Japan,