Listen! Do you hear someone__________for help?
#97565
A
calling
B
call
C
to call
D
called
推荐题目
There is no doubt that our educational system leaves something __________.
#94265
A
being desired
B
to be desired
C
to desire
D
to have been desired
--- Why do you look sad?---There are so many problems ______.
#94408
A
remaining to settle
B
remained settling
C
remaining to be settled
D
remained to be settled
________ in a long queue, we waited for the store to open to buy a New iPad .
#94861
A
Standing
B
To stand
C
Stood
D
Stand
She smiled happily，________ a set of amazing white teeth to us.
#90825
A
exposing
B
being exposed
C
exposed
D
to expose
Professor White has received a letter ___ to give a lecture in Peking University.
#88894
A
to be invited
B
being invited
C
invited
D
inviting him