Chemistry seems to be _____ for me of all thesubjects.

Haven’t you been to the Great Wall—__________, but I will go there with my family one day.

_ is even important is ______ as the earthcooled down, water began to appear on its surface

Steven, could you help me_______ when the plane willtake off on the Internet -I’m sorry, my computer doesn’twork.

My father usually plays basketball _____ 6:00p.m. _____ weekends.