Reading English newspapers ______good for your study.

The man didn’t know ________ the thief broke into the house and stole all his valuable things. [ ]

May I ______ you to write me a receipt?

Why are you so tired these days—Because I have ________ work to do.

Look at the photo I took in Yunnan Province. ______ the Dai people were having!— Wow! They were celebrating the Water Festival.