（安徽安庆2009教学质量监测）In preparation for the launching of Shenzhou VII, 4、scientists need knowledge of weather changes.
#10256
A
the; the
B
a; /
C
/; a
D
the; a
推荐题目
---Mr. Parkinson, you are wanted on ______phone. ---Who is calling? --- ______ Mr. Green. I don’t know who he is.
#9042
A
不填；A
B
the ；不填
C
the ；A
D
不填；不填
Sue has decided to go on_____ more balanced diet and make _____time in her day for regular exercise.
#8242
A
the; a
B
a; /
C
the; the
D
/; the
—Don’t you think Obama is _____ success? —Yes, I do. He is popular with _____ public in America.
#9601
A
/ , a
B
a, a
C
the, a
D
a, the