`35.` The survival of the natural world depends on each and every one of us.
`36.` I think we should put garbage bins around the schoolyard to prevent lazy students from throwing trash and keep our environment clean.
`37.` My car hasn't been serviced for five months.
`38.` If the spaceship is in orbit around the moon, the astronaut will be weightless.
`39.` Because of the rough sea, the children couldn't go swimming.

$\text{35. The survival of the natural world depends on each and every one of us.}$
$\text{36. I think we should put garbage bins around the schoolyard to prevent lazy students from throwing trash and keep our environment clean.}$

$\text{37. My car hasn't been serviced for five months.}$

$\text{38. If the spaceship is in orbit around the moon, the astronaut will be weightless.}$

$\text{39. Because of the rough sea, the children couldn't go swimming.}$