So I 'm better off__________ where I am.......
a. staying b. to stay
The key is "a". Could you please kindly explain if it is phrase?
I am not quite sure what you mean by that, but the sentence is correct and natural English. 'I'm better off doing...' means that I am richer/happier/ more content/more satisfied if I do ...
How about us going to a concert at the weekend?
I can also say “How about our going to a concert at the weekend?” Is that right? Yes.
And is there any difference between the two? No.
Many suicide _____ are impulsive.......
a. attempts b. tempts
The key is "a". Could you please kindly explain why "b" isn't correct? 'Tempt
' is a verb. If you tempt someone to do something, to try to make them think it is a pleasant thing to do.