–Where is Li Ping? –He’s _____ the library.
#97070
A
went to
B
going
C
gone to
D
been to
推荐题目
What worried the child most was _________ to visit his mother in the hospital.
#98684
A
his not allowing
B
his not being allowed
C
his being not allowed
D
having not been allowed
It’s important for the figures       regularly .
#93968
A
to be updated
B
to have been updated
C
to update
D
to have updated