Mr. Tiger insisted that he _______ the money back to his boss but his boss said that he didn’t receive it.
all day, I went to bed early.
There is a natural phenomenon scientists call the greenhouse effect.
Every time I returned after an , I felt stupid because I was behind the others.
However, the eruption itself is really exciting and I shall never forget my first sight of one.
I go back to sleep when suddenly my bedroom became as bright as day.