They visitedHistory Museum last summer.
A. an
B. a
C. /
D. the
She says ______animals cant's live without _______air, either.
A. /; the
B. the; /
C. the; the
D. /; /
(2016·湖北技能高考)There isnew university on the other side of the lake.
A. an
B. a
C. the
D. /
You can have _________ second try if you fail _______ first time.
A. the; the
B. a; a
C. a; the
D. the; a