—Have you ever _____ Mudanjiang to see the Jingbo Lake?—Yes, I have.
-- What did your sister say _____ you? -- She reminded me _____ her birthday.
I’m usually free _____ Tuesday _____ Thursday.
There are _____ places of interest we could visit in Beijing.
-- Did you go to see the doctor yesterday? -- Yes, the doctor advised me ________ too much junk food.
Sorry. I knocked the flower pot from the window .