Tony ______ his homework this morning before he went to school.
We tried to find a table for seven, but they were all ______.
I don’t know who invented _____ iPhone, but I think it is____ useful invention.
Mr. Li, who _____ his whole life to education, is retiring next month.
________ your dog with me should be a good choice. Trust me and I’ll look after it well.
Although the medicine can cure you ______ your illness, it has a bad effect ______ you.