Choose the best answer to the following question.
His sister _____________ come back home before it gets dark.
1, have to
2, hasn't to
3, has to
4, haven't to
People in my country hold the _______________ every year in July.
1, festival
2, story
3, incense
4, legend
My family members __________ that custom for generations.
1, have followed
2, respect
3, have respected
4, follow