---With 4G mobile phones, people can even see each other as they talk.---Really? Would you show me it, please?
My father is very busy, so he ______watches TV.
—______ do you watch TV? —Once a week
—_______Lucy come from America ? —No. She _____from America. She is English.
On ______ way home, Mr. and Mrs. Black meet an old friend.
Mary with her parents often ______ a walk in the park after supper.