A) If he (get) the promotion, it will be because he does a good job. b) The teacher will not accept our work if we (turn) it in late. c) If I were you, I (attend) definitely the lecture of this visiting professor. d) If scientists (build) the time machine, we could travel to any century of our history. e) People (travel) to other planets if they had more advanced space technologies. f) If I finish my degree project by April, I (present) the results at the conference. g) You will get more accurate data if you (use) this equation. h) Would you contact an alien if you (have) a chance to do so? i) If you (not update) the antivirus software, your computer will be much more vulnerable to malware. j) If the alternative energy sources (be) cheaper and more efficient, they would definitely become mainstream power resources.