There are three empty rooms. ________ , we can't use any of them.
AIf
BOnly if
CHowever
DThough
AIf
BOnly if
CHowever
DThough
Related Questions:
Change the complex sentences to simple sentences by replacing adverb clause . When the thief was found out , he was arrested .
Change the sentence from one grammatical structure to another without altering its sense. He is too fast not to catch up with you any moment .