which is right? complete the sentences: 1) he could.....(hard, hardly,) wait to open the box. 2)she worked.......(hard,hardly) but her mother still wasnt......(happy, happily) 3)he smiled........ (happy,happily at the news). 4) there was a......(happy, happily) smile on his face 5)cinderella married the prince and they lived...... (happy,happily) ever after 6) mary did all the work very......(happy/happily) 7) the children were playing......(quiet, quietly) 8)be.....(quiet, quietly)! dont wake the baby! 9) she is.....(nice,nicely) singer. 10)she sings.......(nice,nicely)