Our country _______ a lot in the last fifty years.
#38761
A
will change
B
changed
C
changes
D
has changed
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--- Where is your mother?--- She _______ to Sichuan on business. She has ______ there four times recently.
#40456
A
has gone; gone
B
has been; been
C
has gone; been
D
has been; gone
--You know a lot about Chinese history, don’t you?--Yes, I ___________ China for a long time since 1998.
#36708
A
have come to
B
have gone to
C
have been to
D
have lived in
-- I’m sorry we ________ all the educational CD-ROM. Can you come next week?-- Please call me as soon as the latest one _________.
#40607
A
have sold well, comes out
B
have sold out, comes out
C
have sold well, is come out
D
have sold out, is come out