Do you know that Yuan Longping is known as ______ father of hybrid rice (杂交水稻)?
#8654
A
/
B
the
C
a
D
an
推荐题目
．—You've dropped ________ “s” in the word “acros”．—Oh, ________ letter “s” should be doubled like this “across”．
#7656
A
a; a
B
an; a
C
an; the
D
the; the
The typhoon took place on ______ Sunday evening last month and did______ great damage to the province.
#9504
A
/, /
B
a, a
C
the, a
D
a, /
—Has the little boy passed P. E. test？—He has tried twice and the teacher will allow him to have third try.
#10183
A
the；不填
B
a； the
C
the； a
D
the； the
If we expect ____ much cleaner world, we should attract _____ world’s attention to protecting the world.
#9121
A
a; a
B
a; /
C
a; the
D
the; /
---Have you got everything ready for ___ concert?---Yes, all is in ___ place．
#8311
A
the; the
B
a; the
C
a; 不填
D
the; 不填