1．You’d better have a rest, for you ____________(work) the whole morning．
答案：have been working
2．I’m out of work． I ____________(look) for a job for three months．
答案：have been looking
3．The little girl ____________(clean) the windows since this morning．
答案：has been cleaning
4．It ____________(rain) for two days．
答案：has been raining
5．Sorry, I’m late．How long ____________ you ____________(wait) for me ?
答案：have been waiting
