Как правильно we help (16) each other с to или без to?

Без to.  хотя,я могу

Сto по моему , да наверно

i think that why in our peace time such weapons of mass destruction. the nuclear weapon is the most powerful and dangerous type of weapon of mass defeat menacing to all mankind with unprecedented destructions and destruction of million people. for the first time the nuclear weapon was applied by the american army in japan: on august 6, 1945 the nuclear bomb on the city of hiroshima, and in three days – on the city of nagasaki was dumped. as a result of explosions these cities were almost completely destroyed. the use of weapons of mass defeat leads to very pitiable consequences. it inflicts defeats over manpower. the weapons of mass destruction very strongly affect on mankind health that can lead to a large number of vymiraniye of the population.

1if my friend asks me to look after her pet, i will refuse as i dont have time. 2 if i have time this weekend, i will go to the lake. 3 if i don't finish my homework, i will be screwed tomorrow. 4 if my friend doesn't phone me tonight, i will get upset. 5 if i don't go out this weekend, i will finish my library book. 6 if it ranis tomorrow, i will stay home. 7 if it doeshn't rain tomorrow, i will go to play soccer outdoor. 8 if everyone in rhe class passes the exam, our teacher will reward us and take us to the movie theater.