-- _____________did your uncle leave his hometown ?--He ____________ for nearly twenty years.
If you don’t know ________ the new robot toy, you’d better read the instructions first.
---________ will your head teacher return from the USA?---In two days.
Everyone has his own dreams, but not all the dreams can always _________.
--Tom, do you know there _________ a sports meeting next Thursday? --Sorry, I forgot to tell you.
I think every one should know it will be bad for your health to eat _______ food and take _________ exercise.