._____ the chapter four times, I finally understood the author's theory.
On the bus, a passenger found her pocket_____________ and all the money________.
He often goes to the coffee bar ________it rains.
He always took a notebook with him _________he could take down something important at all times and all places.
—Oh, I failed in the exam.—_______.You still have chance.
The suggestion they all objected to________to be effective finally.