On _______ whole, science and technology have been benefiting human beings all through _______ history.
#8453
A
a, 不填
B
a, the
C
the, 不填
D
the, the
推荐题目
While he was investigating ways t improve the telescope Newton made _______discovery which completely changed ____ man’s understanding of color.
#7676
A
a ,/
B
a ,the
C
/, the
D
the ,a
It’s _______ thrill to have ______ ten-year research project completed with the desired result.
#8084
A
/ ; the
B
a; the
C
the; a
D
a; a
I don’t know who invented __________ telescope, but I think it is __________ most useful invention.
#9523
A
the, the
B
the, a
C
a, the
D
a, a
When a giraffe has _____ drink, it has to stand with its front legs wide apart in order to reach _____ water easily.
#8466
A
不填；不填
B
a; the
C
the; 不填
D
不填；the
—Would you stay a bit longer? It’s been such _____fun having you.—Thanks for saying so. I’ve made_____early start on my journey tomorrow morning.
#10117
A
不填；the
B
a；an
C
不填；an
D
the；an