—I have worked hard at English, but it seems that I haven’t made any progress.—Keep on _____ at it, and you will be successful.
---I can’t find my pen. ---___ you put it in your book.
---____ do you usually do on weekend?--- I usually play soccer.
---My son hardly ever eat vegetables ____ it’s good for his health. ---That is not a good habit.
---______ do you go shopping? ---- Twice a week.
They like to do the same things_____ their friends do.