The flow of immigrants into Britain _ to a small number since the new laws _.

A. will be reduced - have introduced

B. have reduced - had introduced

C. has been reduced – were introduced

D. were reduced - have been introduced

Đáp án
C. has been reduced – were introduced

Câu hỏi thuộc Bài tập:

The flow of immigrants into Britain _____ to a small number since the new laws _____.