Listen! Do you hear someone __________for help?    
#95859
A
calling
B
having called
C
to call
D
called
推荐题目
Robert is said _______ abroad, but I don’t know what country he studied in. 
#98633
A
to have studied
B
to study
C
to be studying
D
to have been studying
She can’t help___ the house because she’s busy making a cake.
#97797
A
to clean
B
cleaning
C
cleaned
D
being cleaned
We walked as fast as we could _____ to catch the train.
#98331
A
hoping
B
to hope
C
we hoped
D
being hoped
China is a_____country____the third world.
#96764
A
developing,belonging
B
developed,belonging to
C
developing,belonging to
D
developed,belongs to