Задать разделительный вопрос the lecture will last two hours the expedition is in africa

1the lecture will last 2 hours, won't it? 2 the expedition is in africa, isn't it? как то так

Carefully cross the road - внимательно переходи дорогу 1.  it should avoid walking alone, especially in sparsely populated areas - следует избегать ходить в одиночку, особенно в малонаселенных районах2.  refuse from the night of movements and in extreme cases , call a taxi - откажитесь от ночных прогулок в крайнем случае вызави такси 3.  if you do oyuektom ridicule do not pay attention and do not succumb to provocation-  если вас гуда-то заманивают не поддавайтесь провокациям 4.  try to anticipate and avoid unpleasant situation- старайтесь избегать неприятных ситуаций

1.            summer is my favorite session of the year. every summer i go to the village.   2.            i boiled the water in the kettle. water is a source of life.   3 in the evening i always switch on the light.   he likes to read by the light of a candle 4 never play with fire.   the house is on fire.     5 i painted the door of my room yesterday. i buy a tin of paint.  6 there are many people in the street. i need to cross a street here   7 i play football every day. he likes to play chess.