finish the difficult task on time, we had to work day and night for weeks.
A girl became a writer at ___ age of 12,_____ age when many children are still in the primary school.
Was it ______ the conference of APEC that made Shanghai the focus of the world then?
The company in Suzhou produced quantities of first-class silk, most of them ____ to Europe.
-Wow! You've got so many clothes.
-Butof them are in fashion now.
It_____ have been Tom that parked the car here, as he is the only one with a car.