1) what time do they start school in the usa?
2) what time do you start school in russia ?
3) what time do they have lunch in the usa ?
4) what time do they have lunch in russia ?
5)what time do they finish school in the usa?
6)what time do you finish school in russia ?
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5. An explanation of one law was followed (past simp pass) by an explanation of another one
6. In 1896, Antoine Becquerel while studying the fluorescence shown by uranic salts such as potassium uranic sulphate made (past simp) an interesting observation that a wrapped photographic plate was being affected (past cont pass) by these salts even in the dark
7. The reaction takes (pres simp) place quickly if some manganese dioxide is mixed (pres simp pass) with the potassium chlorate.
5. За объяснением одного закона последовало объяснение другого.
6. В 1896 году Антуан Беккерель, изучая флуоресценцию, проявляемую солями урана, такими как калий-урановый сульфат, сделал интересное наблюдение, что на обернутую фотографическую пластину эти соли воздействуют даже в темноте.
7. Реакция происходит быстро, если немного диоксида марганца смешать с хлоратом калия.

I'd like (describe) Carry's routine day. He (wake up) rather early and never (go) downstairs to the kitchen (have) breakfast as it (bring) into his room. His servant, Harry, usually (take) it there. While Garry (drink) his orange juice and eat his toast (say) how good it (be), Harry (try) (do) the room. And this (occur) the other day. "Where you (put) your gold watch?" Harry cried. "Where (be) your watch? I look for it for half an hour but i can't (find) it anywhere." Garry (watch) his male servant (run) about the room. "I think I (lose) it," he said at last. Yesterday at 6 I (meet) my friend, Sir Julius. I (not have) my watch then. I evidently (lose) it by the time. I (not be) sure I (be able) (find) it. I decided to buy some new one. I was sure if you (notice) I (have) no watch you (be) disappointed. And you really (be)