Choose the best answer.
The first part of the test was easy; the second, ________, took hours.
A. therefore
B. but
C. so
D.however
but: nhưng
so: vì vậy
therefore: vì vậy
Trước và sau từ cần điền có dấu (,)
=>chọn "however":
The first part of the test was easy; the second, however, took hours.
Tạm dịch: Phần đầu tiên của bài kiểm tra rất dễ, phần thứ 2, tuy nhiên, mất rất nhiều thời gian.
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.
Choose the best answer.
___ hard he worked, he couldn’t earn enough money to support his family.