It is hard to catch up with my friend. He is already a senior manager.

44/50

It is hard to keep away from my friend because he is a senior manager.

It is hard to keep on with my friend because he is a senior manager.

It is hard to keep up with my friend because he is a senior manager.

It is hard to keep down with my friend because he is a senior manager.

Giải thích

Hướng dẫn giải:

Đáp án đúng: C

catch up = keep up with (phrasal verb): theo kịp

Dịch nghĩa: Thật khó để theo kịp bạn tôi vì anh ấy đã là một quản lý cấp cao.