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 |