She must have seen the blind man many times , ____ she ?
---Do you have anything to say for yourself? ---Yes, there is one point ________ I must stick to.
The thief went into the house at midnight, only ______ by the policemen hiding there.
In spite of the great difficulties, Helen Keller ______ studying and finally succeeded.
If you ______ succeed, you will have to work hard.
The judge thought that the evidence was not ________ to the case.