--May I use your mobile phone? ---_________.
When Helen saw his tutor nod ________ to her, she calmed down and went on with her performance.
Never before________ seen a girl who can swim as fast as Ye Shiwen.
English is difficult________. Nobody can learn to use it in a few minutes.
The fact that she told a lie had a great influence on her ________.
“How could you lose so much money?” John asked his wife, eyeing her angrily from ________ the kitchen table.