-----Do you know whether they talked about their work or their family?-----As matter of fact,I couldn’t hear it clearly, as they talked in whisper
—How does the Internet ____us? —By sharing information free of charge.
The director asked me to finish this task by Sunday.How can I ____to?
.The letter Mary had looked forward to ____her last night and she was very excited.
In the countryside, ____car is not yet ____popular means for transportation.
The news shocked the whole nation ____a strong earthquake hit Yushu on Apr.14, 2010.