[Q]: How does the sentence end?

The paste applied on the brush could not cover it all. The 

[A]: brush is big.


[Q]: How does the sentence end?

Randy rolled up his sleeve for Donald, so 

[A]: Donald could collect blood for the blood bank.


[Q]: How does the sentence end?

The moments in Michael's life are filled with embarrassment, but things always work out for Leslie. 

[A]:
Michael is more awkward.