Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks.

A group of researchers and experts in America and Australia listed 12 countries affecting (27)_________ to the ocean by the year 2018 and Southeast Asia area has up to 5 representatives: Thailand, Vietnam, Malaysia, Indonesia, and the Philippines. China ranks the first with (28) _________ 8.8 million plastic wastes, and Vietnam ranks the fourth with 1.8 million. It is really alarming that the developing countries are main causes of environmental pollution in 10 recent years. A terrible fact probably occurring by 2050 is that the ocean (29) ________much more wastes than sea creatures if the plastic wastes situation is still continuing, according to the United Nations report. (30)________, the unexpected fact is that it takes only 5 seconds to produce a plastic bag, 1 second to throw, but up to 500 or even 1000 years to decompose.

A reason for water pollution in Vietnam is that many companies and enterprises cannot manage rubbish and then pour wastes into rivers and streams, (31)________ the government cannot control at all.