China began to open to the outside world in the late 1970s._________, there have been great changes in the country.
A.By then | B.As a result |
C.At last | D.In all |
China began to open to the outside world in the late 1970s._________, there have been great changes in the country.
A.By then | B.As a result |
C.At last | D.In all |