have experienced quite a number of cases ______ I really wanted to help but could not have anything to ______.

m, what did you do this summer vacation—Guess what I had ______great fun in _______show performance “ Voice of China” .

Another cup of tea— No, thanks. I leave now. Lucy is waiting for me.

When his money _______, he had to return home.

Later they discovered, ____ was news to him, that Pamela was the headmaster’s daughter.