Listen, Do you hear someone _____for help?
#92391
A
calling
B
call
C
to call
D
called
推荐题目
Jack went back home after a heated discussion, _______.
#97870
A
annoyed and tired
B
annoying and tired
C
annoyed and tiring
D
annoying and tiring
 Charles Babbage is generally considered ______ the first computer.
#97960
A
to invent  
B
inventing
C
to have invented
D
having invented
Either you or one of your students ________ to attend the meeting ________ tomorrow.
#90603
A
are; to be held
B
is; being held
C
is; to be held
D
are; having held
Three days after Mrs White’s _______ necklace was found, she was _____ it. 
#95679
A
lost; robbed
B
missed; robbed of
C
missing; robbed of
D
lost; robbed