----Mike. Is that smart phone___________?---- Yes. My mother bought it for me yesterday.

 --- “Why don’t you go to the Science Museum?”  ---“I hear there’s ______ in it.”

 Is_____ your aunt?

Though he’s only 8 years old, he can read _______ on science.

.在字母表中,______和______ 两个字母可以单独成词。