42 if people didn't use to much fertilizer, lands wouldn't be spoiled
43 Temporary shelters should be provided for the earthquake victims by the government.
44 Hoa asked Thanh if he could lend her his iPad for a few minutes.
45 By the time we started our work, she had explain everything clearly
46 Before my mother came home, my father had watered all the plants in the garden.
47 The hurricane has totally destroyed the small town.
48 The gate will be widened to let the cars run into the yard easily.
49 If I didn't have to help my dad with something, I could come.
50 After they had provided food, they cleaned up the debris.