1) was, has done
2) has ended, fell
3) felt, have eaten
4) arrived, found, has just left
5) 5 предложение некорректно
<span>1 u</span><span>ltraviolet 2 </span><span><span>light </span>3 </span><span>bugs 4 </span><span>photochemistry 5 </span><span>hydrogen 6 </span>bug-killing 7 <span>sewage </span> 8 <span>germ-free 9 </span><span>domestic 10 </span>chemicals
I am standing behind the tree. Я стою позади дерева.
My friend`s car is parked between two big trucks. Машина моего друга припаркована между двумя большими грузовиками.