Some underground water is enough safe to drink, but all the surface water must be treated.

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Mark the letter A, B, C or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions

must be treated.(A) Some underground water is (B) enough safe to drink, (C) but all the surface water (D) must be treated.

Some

enough safe

but

must be treated.

Giải thích

Đáp án: B

Giải thích:

Tính từ đứng trước “enough”.

S + be + adj + enough + (for somebody) to V = …đủ… để (ai đó) làm gì.

Sửa: enough safe → safe enough

Dịch: Một số nước ngầm đủ an toàn để uống, nhưng tất cả nước bề mặt phải được xử lý.