Jumping out of _______airplane at ten thousand feet is quite _______exciting experience.
A.the ，不填 B.不填，an
C.an, an D.the, the
The “Chinese Dream” is ________ dream to improve people's well－being and ________ dream of harmony, peace and development.
A. the; a B. a; a
C. a; the D. the; the
While he was investigating ways to improve the telescope, Newton made_______discover which completely changed______ man’s understanding of colour.
A.a, 不填 B.a, the
C.不填，the D.the, a
If you go by _______train, you can have a quite comfortable journey, but make sure you get_______fast one.
A.the; the B./; a
C.the; a D./; /
India attained ________ independence in 1947, after ________ long struggle.
A. 不填； a B. the; a
C. an; 不填 D. an; the
People develop ______ preference for a particular style of learning at ______ early age and these preferences affect learning.
A. a; an B. a; 不填
C. 不填; the D. the; an
