The math problem was _________ difficult __________ none of us worked it out.
--_____ do you feel _____ Sanya? –It’s beautiful and warm.
I have nothing to do but ________ my daughter in the evening.
______, we didn’t know each other, but now we are good friends.
_______ M/money is important, _____ it doesn’t mean _______.
--___________? –I went to the mountains.