Seeing a large crowd at the street corner,I became aware of________unusual happening.
He had a habit of making humorous ______.
Many houses were destroyed in the hurricane which struck the area last week. ______ ,the victims had to live in the temporary shelters offered by the Red Cross.
Jim entered the competition without much hope, not expecting he would ______ the first prize !
—Jack Brown is very clever and he studies hard as well.—No ______ he always comes out first in the exam.
_____ I toured ZhangJiajie, I was deeply impressed with the beautiful scenery.