Xác định chức năng của phần gạch chân.
Heavily contaminated with wastes from nearby factories, the water in this river is not suitable for daily use.
A.chủ ngữ
B.bổ ngữ của chủ ngữ
C.bổ ngữ của tân ngữ
D.tân ngữ

There is an increase in the prevalence of electronic books as more people are turning to digitalised reading materials.
A.chủ ngữ
B.bổ ngữ của chủ ngữ
C.bổ ngữ của tân ngữ
D.tân ngữ

Choose the best answer A, B, C or D to complete the sentences.Workers who do not obey the safety regulations will be________.
A.refused
B.disagreed
C.disapproved
D.dismissed

Choose the best answer A, B, C or D to complete the sentences.Smoke was ______ from the chimney.
A.raising
B.rising
C.raised
D.rised

Choose the best answer A, B, C or D to complete the sentences.Your success in life ______ very largely on yourself.
A.is keen
B.depends
C.lies
D.goes

Choose the best answer A, B, C or D to complete the sentences.If you wish to learn a new language, you must _______ classes.
A.follow
B.present
C.attend
D.assist

Choose the best answer A, B, C or D to complete the sentences.A special closeness is supposed ______between twins.
A.to exist
B.to be existed
C.existing
D.existed

Choose the best answer A, B, C or D to complete the sentences.This director has _____ some famous films but I think this one is the best.
A.conducted
B.composed
C.made
D.done

Choose the best answer A, B, C or D to complete the sentences.He’s never ______ to me before, so I have no reason to doubt his words.
A.lie
B.lay
C.lain
D.lied

Choose the best answer A, B, C or D to complete the sentences.After quarrelling about their resposibilities many years, their marriage ______ in 1991.
A.end
B.finish
C.ended
D.finished