1.you may get a tutor______(teach)you english.
2.my grandfather needs________（take)care of my little cousin at home
3.we made them ________（sing）an english song
4.i saw them________（play)football when i passed by the playground
5.could you please _______(not speak)loudly.we are in the library
6.personal computers seemed ______(possible)a husdred years age.
7.in the future,_______(human)will have much knowledge to learn.
8.tom wants to be a ______(science)when he grows up
9.my father bought an________(electricity) bike for me