she began practicing her guitar skills for several hours each day,__when her fingers began tobleed.A.stop only B.stopped only C.only to stop D.only stopping答案为什么是D?C怎么错了?

she began practicing her guitar skills for several hours each day,__when her fingers began tobleed.A.stop only B.stopped only C.only to stop D.only stopping答案为什么是D?C怎么错了? she began to lie 歌词 ________(return) home,she began to cook. she began to cry,改成she began crying对吗?如果错了,为什么? Lily spends as much time as she can ________.A. practice to dance B. practicing to dance C. practice dancing D. practicing dancing Lily spends as much time as she can( ).A.practice to dance B.practicing to dance C.practice dancing D.practicing dancing 4.She needs a partner ______A to practice English with B practicing English C to practicing English with D practice English with 选什么,为什么 until she began her speech,i__(not realize) sheuntil she began her speech,i__(not realize) she wasn't Chinese As she went aiong she began caicuiating what she wouid buy after she had soid the she began to t.in a small sshe began to t.in a small school.填空 she (spent)two hours practicing playing basketball.（）是spend的过去式吗?这里为什么要用一般过去时? Lisa ______{write}a new song last week and she is practicing ____{sing} it第2个,说明理由 英语：用 used to...when...改写句子.celia has been practicing since she was in high school. She began to learn ballet at six (改同义句） She began to learn ballet （）（）（）six. she began to dance when she was fiveshe began to dance_____ _____ _____ ______ _____[同义句] Before she went abroad she spent as she could ____English.A:practicing speaking B:to practice speaking C:practise to speak D:to practise to speak `） She was frightened in the darkness .She began to cry for help(合并成复合句)She was ( )frightened ( )She began to cry for help in the darkness . she began to teach English last year she began to teach （ ） English last yearA,sheB,hisC,herselfD,she's 要有解析,