适当形式填空。有的需要加助动词或不定式符号(每词限用一次)。Р e work call show Р Jack was in the park with his grandmother, Mrs. Watson. “I can hear music,” she said. “Do you know where it (91)__________ from?”“It’s the ring on my mobile phone,” said Jack. “Are you going to answer it?” asked Mrs. Watson. “No,” replied Jack. “Whoever it is can leave a message on my voicemail, and I (92)__________ them back later.”РMrs. Watson had never used a mobile phone, and was interested to know how it (93)__________, so Jack took his out of his pocket (94)__________ her. “You use it just like mon telephone,” he said. “But you can make phone calls when you are out of the house. And mobile phones can (95)__________ other things. For example, you can use it to do shopping online or use the GPS to guide you home whenever you are lost.”