Whenever I met her, _________ was fairly often, she greeted me with a sweet smile. 21世纪教育网
The concert _______ many foreign students were invited was a feast for the eyes.
Only __ as an interpreter __ how important it was to practise speaking English.
BP will continue to be focused on making sure that the costs ________with oil spill cleanup in the Gulf of Mexico are paid.
. Common people always hold the view the experts say is right.
Unless ________ , the murderer is likely to commit similar or further offences.