Choose the best answer. ___ hard he worked, he couldn’t earn enough money to support his family.

17/20

Choose the best answer.

___ hard he worked, he couldn’t earn enough money to support his family.

But

However

Therefore

Whatever

Giải thích

Cấu trúc: However + adj/adv + S + V, clause (dù... đi nữa)

=>However hard he worked, he couldn’t earn enough money to support his family.

Tạm dịch: Cho dù anh ấy có làm việc chăm chỉ thế nào đi nữa, anh ấy vẫn không thể kiếm đủ tiền để nuôi sống gia đình.