how to solve the problem, the little boy turned to his father for help.
#96894
A
Not knowing
B
Having not known
C
Not having been known
D
Not known
推荐题目
China's agriculture has been developing steadily, thus _ light industry with ample raw materials.
#91239
A
providing
B
to provide
C
provides
D
provided
Mary hasn't decided whether to take up tennis, basketball, or ___.
#97774
A
beginning to play football
B
begin to play football
C
beginning playing football
D
to beginning playing football
The picture ________in my bedroom is painted by a famous artist.
#88308
A
hanged
B
hung
C
being hung
D
hanging