A great man of science sitting in the wheelchair, Stephen Hawking________from a serious disease for nearly forty years.
He called to tell me that you are in hospital, otherwise I ______ nothing about it.
Living in the mountain area has its problems , _____ obtaining water is a big problem.
_______by beautiful green mountains and located at the foot of Lushan Mountain makes it a famous tourist attraction.
I’m writing to apologize for my absence from last week’s meeting. I was unexpectedly ________ at work.
Work hard and try to make what the teachers teach ________in class.