______ is even more important is that the earth cooled down, water began to appear on its surface

I’ve ________ an electronic magazine via email and it will be sent to my email box every week.[ ]

Who do you think will ______ the company if the manager retired?

The boy knocked down by the car stood up all by himself , _____unhurt

u understand the film The Hobbit, the most amazing US-made one last year—______, but I am confused at many scenes.