Bộ 3 Đề kiểm tra Unit 10 - Tiếng anh 10 iLearn Smart World có đáp án (Đề 3)
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This online course promises to help learners improve their problem-solving and ______________ skills.

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Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.

This online course promises to help learners improve their problem-solving and ______________ skills.

communicate

communicated

communication

communicator

Giải thích

Chọn C