—What about ________ conference you attended last week?
—To tell the truth, it was too boring, you know, ________ conference like that.
A. a; the B. the; /
C. the; a D. the; the
In ________ early 1990's, as ________ gesture of appreciation, the library was named after the businessman who donated most of the money with which to build it.
A.the; a B.the; the
C./; the D．an; /
Don't touch ________ live wire, or you will get ________ shock.
A. the; the B. the; a
C. /; a D. /；/
Mr. White, who comes from ________ European country, has formed ________ habit of attending ________ church on Sundays.
A. an; /; the B. a; the; /
C. an; the; / D. a; a; a
Because of ________ high demand for Type AB blood, ________ supplies of it are usually limited.
A. the; the B．不填；不填
C．不填；the D. a; the
I didn’t make sense of ________ poem until I read it ________ third time.
A. the; the B. a; the
C. the; a D. a, a
