800 câu trắc nghiệm Điền từ Tiếng Anh có đáp án - Phần 18

Districts in wealthy suburbs often have fully staffed libraries (4)_____abundant resources, spacious facilities, and curricular and instructional support.

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Districts in wealthy suburbs often have fully staffed libraries (4)_____abundant resources, spacious facilities, and curricular and instructional support.

for

with

on

by

Giải thích

B là đáp án đúng