Mark the letter A, B, C, or D on your answer sheet to show the underlined part that needs correction in each of the following questions.

Before the cotton gin had been invented in 1794, American famers had cheap salves remove seeds from the cotton fiber.

Never_______more people _________ in charity work than now.

“What did Maria ask you?”

“She asked me____________I had ever been abroad.”

The A.I. expert wanted to have his assistant _______ the newly made robot.

We are all very sorry that we have to wait for this agreement to come into_________.

“Do you fancy a drink?” –“___________”

Emma and Karen used to be ______ good friends that I’m surprised they don’t get on now.

Mark the letter A, B, C, or D on you answer sheet to indicate the word that differs from the rest in the position of the main stress in each of the following questions.