By law,when one makes a large purchase, he should have _____ opportunity to change his mind.

The fine day ______________ our pleasure, we had a good time in the country.

Our school held a sports meeting______ the end of last year.

Only by practicing a lot _____ our English well enoughto communicate with foreigners

I failed in the exam again. I am sorry to let you down, Mum.— , dear. I know you’re doing better now.