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Conditional Sentences
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___________ you ring the bell, they won't open the door.
A
If
B
Unless
C
Though
D
Till
Answer:
B. Unless
Related Questions:
If he didn't appear late, he _______.
I wish I _________ a millionaire.
Unless you work hard, you ______.
If you had tried, ____________.
If I were a king , I ________ make you a queen.
