.—Is there anyone who is gong the Great Wall?_______
---Is your uncle Tom a soldier?--- No, but he once _____ in the army for 4 years.
---- Did you ______ the concert yesterday evening?---- Sorry, I didn’t have enough time.I really regret ______ my homework earlier.
On the top the mountain, you can get a wonderful ______ of the nearby hills.This is the very reason _______we like to go there in our spare time.
To live in ______ countryside for some time is really ______ helpful experience to children growing up in the cities.
Dad, about how long will it be before I die?You aren’t going to die. ________?