Bộ 10 đề ôn thi học sinh giỏi Tiếng anh lớp 9 có lời giải chi tiết (Đề 10)

There are over 2,000 varieties of snakes, ________are harmless to humans. A. mostly they B. most of them C. most of which D. which most

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SECTION II: LEXICO – GRAMMAR

Part 1: Questions from 16 to 36. 

Choose the best answer to each question.

There are over 2,000 varieties of snakes, ________are harmless to humans.

mostly they

most of them

most of which

which most

Giải thích

Chọn C