题目

--Don’t worry. My mother will look after your baby __________.    --Thanks a lot. A. careful enough  B. enough careful  C. carefully enough D. enough carefully 答案：C— Where's your mother?       — She ______ to Japan, she ______ there twice before. [     ]A. has gone, has goneB. has been, has gone C. has gone, has been D. has been, has been