Mark the letter A, B, C, or D to show the underlined part that needs correction in each of the following sentences.

There are (A) many different ways of comparing (B) the economy of one nation with those (C) of another. (D)

Mark the letter A, B, C, or D to indicate the correct answer to each of the following sentences.

Tom. "Thank you for your help." - Mary. "_______ ."

Mark the letter A, B, C, or D to indicate the correct answer to each of the following sentences.

As I was _______ of the change in the program, I arrived half an hour late for the rehearsal.

Mark the letter A, B, C, or D to show the underlined part that needs correction in each of the following sentences.

There are (A) many researches show (B) that various species of (C) animals have been extinct. (D)

Mark the letter A, B, C, or D to indicate the correct answer to each of the following sentences.

There's a good film _______ town.

Mark the letter A, B, C, or D to show the underlined part that needs correction in each of the following sentences.

The secretary said me  (A)  that  (B) I would  (C) receive the letter from  (D) him.

Mark the letter A, B, C, or D to indicate the correct answer to each of the following sentences.

The concert was _______ because of the heavy rain.