Chủ đề:
Chương II- Âm họcCâu hỏi:
khi gõ vào một nhánh âm thoa, âm thoa phát ra âm. hãy nêu cách kiểm tra xem khi phát ra âm thì âm thoa có dao động không ?
1. They are going to ______ Hue this summer vacation. ( stay/ go/ visit/ take)
2. What about ___________ some photo? (take/ to take/ taking/ takes)
3. They______TV every day. (watch/ watchs/ wathes)
4. She hasn't______water.(some/ any/ a)
5. What about_______soccer this weekend? ( to play/ Playing/ plays/ play)
6. Minhy is going to________with us.
7. Minh and Nam often go fishing in____free time.(your/ their/ his)
8. Are there any_______in the fridge?( meat/ apple juice/ apples)