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

The teacher asked his student to focus on your topic.

Mark the letter A, B, C, or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.

Water pollution is a result of dumping pollutants such as detergents, pesticides, oil, and other chemicals in rivers, which makes the water unclean.

Mark the letter A, B, C, or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.

We are facing severe environmental pollution despite the fact that many world organizations are working hard to reduce it.

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

Tim called yesterday and said he needed the report right now.

"Don't swim out too far, boys," he said.

Mark the letter A, B, C, or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.

The seashore was much polluted because of the amount of waste left there. All this rubbish is killing fish and other marine life.

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

Rosy said that she will come back there on another project the following year.

Mark the letter A, B, C, or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.

WWF was set up in 1961 and had its operations in areas such as the preservation of biological diversity.