--- I’m terribly sorry, but I made a mistake again. --- _______. Practice more and you’ll succeed.
We were badly treated in the hospital. Don’t worry.The president has promised to ______ your complaint at once.
It is usually not quite cold in this area in March,but sometimes temperature ______ low.
Jack was once a common name,,I think, that is seldom chosen nowadays.
-The weather isn’t good enough for an outing,is it? -To much dust.We can’t haveat this time of the year.
Subway Line 4,into use in September 2009,has made traveling in Beijing easier.