Sentence examples similar to a are that from inspiring English sources

However, three important disadvantages of the HAM-A are that it is relatively lengthy (14 items), it must be completed by a trained clinician during the course of a clinical interview, and it has not been validated for use sooner than one week.

How good a deal is that?

How much of a disappointment was that?

How big a deal is that?

What kind of a reason is that?

So inventing a vaccine is that way.

A How exciting is that!

"Who was that?" A celebrity?

Was that guy a musician?

A: That's correct, that's correct.

A break is for that: a break.