1 Choose the correct variant. 1) I'll call you as/as soon as I return home. 2) The rain had stopped by the time/while we arrived at the station. 3) When/While we finish doing homework, we'll tell you. 4) My dad ran into the parking meter as soon as/while he was parking the car. 5) She takes a shower after/before going to bed. 6) I am going to wait for him until/before he comes home. 7) He understood everything the moment that/whenever he saw everything with his eyes. 8) I am ready to follow you while/whenever you start. 9) The scientists will do the experiment after/before their leader calls them. 10) Rose will invite us for a cup of tea, as/after she is interested in the affair.