The keeper of the spring cleared away the leaves and branches, and wiped away the silt(淤 泥) that would _______ have choked and polluted the fresh flow of water.
Susan's birthday party was ________success.We sang and danced until it came to ________ end at ten.
As is known to all,________life in ________ modern world is easier in some ways than ________ life our grandparents lived.
After the warmingup exercises, the teacher told us ________way of long jump and gave us________example.
Next week there will be a basketball match between the ________ and the ________of our school.
He developed ________ deep interest in insects when he was at________age of 8.