When you see your teacher approaching you, a slight wave to attract his attention is appropriate.

For environmental safety, we need to find ways to reduce emission of fumes and smoke of factories.

You must ___ your duty; otherwise the boss will get angry.

Mark the letter A, B, C, or D on your answer sheet to indicate the undelined part that needs correction in each of the following questions:

The keynote speaker (A) started with some complementary remarks (B) about the organisers (C) of the conference, and then proceed (D) with her speech.

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

 Musical comedies, (A) as an American form of (B) entertainment, often take (C) its subjects from America's present (D) or past

The student wiped the board ____ was full of notes and drawings.

When the play finished the audience stood up and _______ their hands loudly.

Mark the letter A, B, C, or D on your answer sheet to indicate the undelined part that needs correction in each of the following questions:

Bacteria that live in soil and water play a vital role in recycling carbon, nitrogen sulfur, and another chemical elements used by living things.

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

The chorus plays a large(A) part in any(B) oratorio link(C) areas sung(D) by soloists with segments of choral music.

Mark the letter A, B, C, or D on your answer sheet to indicate the undelined part that needs correction in each of the following questions:

We admire Lucy for (A) her intelligence (B), cheerful disposition (C) and she is honest. (D)

Choose the correct answer to complete the sentence. "The industrial production fell _____ in ten years from 1990 to 2000."

Heather: “ Don’t say that”

Mark the letter A, B, C, or D on your answer sheet to indicate the undelined part that needs correction in each of the following questions:

The passengers, tired after a very long trip, was relaxing in every available seat in the airport lobby.

Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions:

The children were full of beans today, looking forward to their field trip.

Mark the letter A, B, C, or D on your answer sheet to indicate the undelined part that needs correction in each of the following questions:

Liquid lubricants contrast widely in weighing, thickness, and boiling point.

Mark the letter A, B, C, or D on your answer sheet to indicate the undelined part that needs correction in each of the following questions:

If the man had transported to the hospital sooner than he was, he could have survived the electrocution.

I said to him “ I’m very angry with you . Go away”

Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions:

Mike pretended to be sick, but I saw through his deception at once.f

Mark the letter A, B, C, or D on your answer sheet to indicate the undelined part that needs correction in each of the following questions:

There are more than eight four million specimens in the National Museum of Natural History’s collection of biological, geological, anthropology treasures.’

Mark the letter A, B, C or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions

He joined the army in 1998. He was soon after promoted to the rank of captain.

Choose the best answer: 

Work Power magazine is a new trade _________ for human resource professionals.