Trees since it stopped raining. A. have planted B. has planted C. has been planted D. have been planted

Laura last wrote to her mother a month ago.

=> Laura hasn’t _______________________________.

She spends two hours (work) ______ part time at a supermarket near her house everyday.

Susan is very ______ of telling other people what to do.

The ______ of the people in our community with the government is very necessary. (cooperate)

You should be ashamed ______ your behavior!

John: “Our teacher, Mr. Jones, is not very flexible. He always requires us to submit his assignments on time.”
Jack: “_________________. He should know that we have to learn many subjects.”

He was sitting on a chair. It was uncomfortable. (using the relative pronoun)

I'd better do this exercise now because there might not be time later (case).