My birthday is coming. Dale will send me e-dog as my birthday present. A. a B. an C. the
_________ unusual experience you had in the USA!
—The food here is very nice. Thank you for inviting me.— _____ I’m glad you enjoyed it.
— Kitty, do you know ______?— Sure, about forty minutes.
The mobile phone has changed people’s life a lot ________ it was invented.
I have so much homework to do that I don’t know ________.