Every possible means ______.
A: has tried
B: has been tried
C: was tried
D: were tried
A: has tried
B: has been tried
C: was tried
D: were tried
举一反三
- All possible means ，but not a means an obvious effect。 A: have been tried; has B: have tried; has C: has been tried; have D: have been tried; have
- Every means ______ tried, but in vain. A: have been B: has been C: are D: is
- plaintiff means a person who has been accused of breaking the law and is being tried in court.
- Every means ________ been tried ever since the machine brake down.
- Every means ______ tried but to no end.