You will make some progress in your study of English ______ you keep more words in mind.
I was about to give up my effort to solve a problem __________ a good idea struck me.
When someone gets old they often go to live in a home with other old people ________ there are nurses to look after them.
With a lot of homework _________, Tom didn’t go to the movies with his father.
It was only with the help of the local guide __________.
—Have you handed in your school-work yet? —Yes, I have. I guess itnow.