Choose the best answer.
___ hard he worked, he couldn’t earn enough money to support his family.
A. But
B. However
C. Therefore
D. Whatever
=>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.
Choose the best answer.
The first part of the test was easy; the second, ________, took hours.
Choose the best answer.
He has done nothing to prepare for the final examination, ______ played.
Choose the best answer.
Everyone ________ Tom is ready for the discussion.
Choose the best answer.
This is an expensive ________ very useful book.
Choose the best answer.
________ long it takes, I will wait for you.