Not only his parents but also his brother to the Summer Palace. They haven’t been back.
#41984
A
have been
B
have gone
C
has been
D
has gone
推荐题目
--- Where is your mother?--- She has ______ to Sichuan on business. She has ______ there four times recently.
#41744
A
gone, gone
B
been, been
C
gone, been
D
been, gone
I must return the book to the library. I _____ it for one week.
#41947
A
keep
B
borrowed
C
have kept
D
have lent
Mr. Wu___this math problem____him many times, but he still doesn’t understand it.
#38768
A
explains ; to
B
has explained ; for
C
has explained ; to
D
explained ; with
The world _________. Things never stay the same.
#41577
A
changed
B
is changing
C
was changing
D
will change