Read and write.用所给单词的适当形式填空。
1. Henry, help me _____ (carry) these books.
2. You needn’t make the cake for me. Just make one for _____ (you).
3. Cindy _____ (lose) her dog this morning. She. _____ (be) busy now, so she ____ (go)
to the police office and ask for help in ten minutes.
4. Why _____ (be) you late this morning? You’re always on time.
5. Oh, this bell isn’t _____ (my).