1.According to tradition in some countries, ________ weddin g ring is worn on the left ring finger, which is believed to be directly connected to the heart,______ symbol of love.
A.a; the B.the ; a C.the ; the D.a ; a
2.It will be quite several years _______ our global economy returns to normal, as some economists predict.
A.before B.ago C.since D.as