.( 湖南卷34). I’m tired out. I __________all afternoon and I don’t seem to have finished anything.
She remains optimistic (乐观的) in spite of so much hardship she has _______ .
Doing morning exercises _______ our health and we _______ it.
I won’t have anything like that _______ in my class .
I love to buy a new dress at a _______ at the Spring Festival.
I don’t know whether you happen ____ that he has been away for two months.