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
推荐题目
Fruits are sold by ______ kilogram in the market, and it will be cheaper to purchase them in ______ quantity.
#8798
A
the; /
B
the; the
C
a; the
D
/; a
As we all know, ________life is hard for any of us.If we want to live________happy life，we must work harder.
#8156
A
/；/
B
/；a
C
a；/
D
a；a
―They decide to take _____ sail around the island.―When will the ship set _____ sail?
#10140
A
a; /
B
/; a
C
a; the
D
the; /
------- we are going there by _____ sea.------ Don’t you think it too slow? Why not take ______train?
#9290
A
the; /
B
the; the
C
/; /
D
/; the