Is     necessary to complete the design before National Day?

As Mrs Roosevelt put       ，I'd rather light a candle than complain about the darkness．

–What ________ would you like to buy? –Some cakes, please.

There are two roads______ to the park along the river. You can take _____ of them.

---We have red and yellow T-shirts. Which color do you like?---I’m afraid _______. I think blue will be OK.