CHUYÊN ĐỀ 3 SỰ HÒA HỢP GIỮA CHỦ NGỮ VÀ ĐỘNG TỪ (AGREEMENT BETWEEN SUBJECTS AND VERBS)
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The facilities at the new research library, including an excellent microfilm file,……….. wonderful. A. are B. is C. has been D. was

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The facilities at the new research library, including an excellent microfilm file,……….. wonderful.

are

is

has been

was

Giải thích

Chọn A