根据句意，用括号中所给单词的正确形式填空。

小题1:They are trying to do something ______(help) the old.

小题2:Sally prefers staying at home to ______(go) out on Sundays.

小题3: How is your uncle? Please say hello to ____(he) for me.

小题4:Nancy is too young to look after _______(she).Don’t leave her alone.

小题5:Recently the drought(干旱) is serious in the ______(south) part of China.

小题6:Today most students can go to high school for further _______(educate) in our country.

小题7:We’re doing a lot of activities to celebrate the _____(ninety) birthday of the Communist Party of China(中 * * 党) this year.