Supposing - 1. __________ your visa application is rejected, what do you intend to do?, Provided - 2. __________ you take every precaution, adventure trips are absolutely safe., Should - 3. __________ you need further assistance with your credit card while travelling, please don't hesitate to contact our dedicated helpline., Had I - 4. __________ been told in advance, I would never have bought these add-ons to the package tour.,

Advanced conditional structures 1

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