Is anyone good with apostrophes please i need help i've done this test 5 times and i can't get it right

Question

anonymous · Answer

@englishfreaks  @shyyy!

anonymous · Answer

sup

anonymous · Answer

can you help me with apostrophes?

anonymous · Answer

ya i took that last year and passed with a 90 so i can give it a go

anonymous · Answer

what grade are you in?

anonymous · Answer

1.
 
Which answer choice correctly replaces the underlined words? 

Say, let us go to the lake this afternoon.
 
 A.
let's
 
 B.
lets'
 
 C.
lets

anonymous · Answer

so let is underlined correct? haha

anonymous · Answer

ya

wolfboy · Answer

It would be let's since it is short for let us

anonymous · Answer

hes right :)

anonymous · Answer

Thank you @Wolfboy and @englishfreaks

wolfboy · Answer

yeyy

anonymous · Answer

can you help me with more

wolfboy · Answer

if you have more questions, give medals, and make new ones

anonymous · Answer

Which answer choice correctly replaces the underlined words? 

We normally are not allowed to stay up this late.
 
 A.
arent'
 
 B.
arent
 
 C.
aren't

anonymous · Answer

c

anonymous · Answer

I thiunk it is C

wolfboy · Answer

Dont post questions in the same strand please

anonymous · Answer

Sorry and thank you @englishfreaks