With Shanghai World Expo drawing near, volunteers are making use of every minute to ____ their foreign language because language volunteers must pass a written test and an interview.
__________ has finished the work ahead of time will be rewarded though we don't know who it will be.
The girl got nothing __________ her kindness, which made her very sad.
The plan __________ just because people were unwilling to cooperate.
—Why did he leave the group? —Because he didn't seem to __________.
__________ sunshine and rainfall __________ a good harvest of fruits and vegetables this year.