Для первого, нужно просто подставить вместо x 3,5
1) when did you reaslise that your bicycle had disappeared? – Past Perfect
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2)if she doesn’t work hard she'll
fail her final examinations – Present Simple u Future simple.
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3)James was sure that he had passed the examinations well – Past Perfect
4)I've lost my purse-when did I lose it? – Past Simple
<span>5)the train arrives at two o’clock -
Present Simple</span>
6) Hanna has been offered a new job - Present Perfect Passive.
Владимир Путин угрожал Мадонне тюремным поведением за содействие "Гейского поведения" в России