Chọn phương án (A, B, C hoặc D) có nghĩa gần nhất với câu cho trước.
The test is so difficult that we can’t finish it on time
A.If the test is not difficult, we could finish it on time
B.If the test was not difficult , we can finish it on time
C.If the test were not difficult , we could finish it on time
D.Unless the test were not difficult ,we could do it on time