Контрольные задания > 11.The door ..................(unlock) if you press the green button.
Вопрос:
11.The door ..................(unlock) if you press the green button.
Ответ:
The door **will unlock** if you press the green button.
This is a conditional sentence type 1, which uses the simple present in the 'if' clause and 'will + base form of the verb' in the main clause.