CHUYÊN ĐỀ 3 SỰ HÒA HỢP GIỮA CHỦ NGỮ VÀ ĐỘNG TỪ (AGREEMENT BETWEEN SUBJECTS AND VERBS)
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The fishing boat sank but luckily all the crew………..able to save themselves. A. have been B. is C. are D. were

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The fishing boat sank but luckily all the crew………..able to save themselves.

have been

is

are

were

Giải thích

Chọn D