48.It was great joy_________he received the news that his long lost son would return home49.
The reason _____ he refused to attend the meeting was that they didn’t give him an invitation earlier.
—Thank you for joining in our conversation tonight. —_____.
It was in the street_________ I met Mary yesterday .
Generally speaking, when ____ according to the directions, the drug has no side effect. taking B. taken C. to take D. to be taken
As we all know, many Chinese words have come into English, ______ typhoon, tofu and kung fu.