It is only ______ you understand what your parents do to you ______ you can improve your relationship with your parents.
—Martin Luther King was a great man. Do you agree with me?— ________ .
The policeman warned the driver ________ so carelessly.
Mr. Huang will ________ in the movement.
Karen couldn’t________ her mind whether to apply for membership or not.
It was at 8 o’clock ________ I went back home last night.