I always cannot help people in trouble a hand. But I am so busy today that I can’t help the work for you.
| A．to give;to do |
| B．Giving; doing |
| C．give; do |
| D．Giving; do |
---Do you have anything to say for yourself?
---Yes, there is one point ________ I must stick to.
| A．/ | B．when | C．why | D．where |
The thief went into the house at midnight, only ______ by the policemen hiding there.
| A．to catch | B．catching | C．to be caught | D．caught |
In spite of the great difficulties, Helen Keller ______ studying and finally succeeded.
| A．stuck to | B．kept up with | C．kept on | D．insisted on |
If you ______ succeed, you will have to work hard.
| A．are about to | B．are going to | C．will | D．are to |
The judge thought that the evidence was not ________ to the case.
| A．similar | B．accessible | C．available | D．relevant |