The problem is too difficult. I can’t work it out.— go and ask your English teacher She can help you.

Jane was able to play the piano years ago. The underlined part means .

­—Can you come to my party tomorrow— .I have to study for a test.

____ is known to us all is that the old worker, for _____ life was hard in the past, still works hard in his seventies.

He could see the tall chimneys of the factory ______.