If you are travelling _______the customs are really foreign to your own, please do as the Romans do.

Can we run across the road now?—No, we _. We have to wait until the light turns green.

Have you watched Feng Xiaogang’s new movie Personal Tailor?—Yes, of course. I ________ it last week with my parents.

The house is ______ expensive for me ______ afford. [ ]

_______ visitors come to China every year .[ ]