He needs some help, (a)   ?

(need is a modal auxiliary verb)

A few of the students have gone abroad on vacation, (a)   ?

One must be prepared to die for one's own country, (a)   ?

That amount is hardly enough, (a)   ?

Get me a glass of water, (a)   ?

Neither of them spoke, (a)   ?

Rarely does he make a public appearance, (a)   ?

He used to paint well, (a)   ?

Let's sit here for sometime, (a)   ?

I am good at heart, (a)   ?

He should have left early, (a)   ?