Although _____of danger, tourists can't help taking photos near the cliff (悬崖) .
It is a paradox(自相矛盾) that ina rich country there should bemany poor people.
We are living in an agemany things are done on computer.
Although knocked down by a car, he managed to ______ to his feet.
The sun heats the earth, ___________ is very important to living things.
I will visit you if Father ______ me.