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A.The bus is full of passengers.
A.公交车上满是乘客。
B.The man with a cap is looking through the window.
B.一个戴着帽子的男人在看向窗外。
C.They are shaking hands.
C.他们在握手。
D.The people standing are chatting face-to-face.
D.人们在面对面交谈。
