Shanghai and Nanjing are among the most important cities in China _____ their size and population.
. Many new workers _______ and in six month they will be sent to build a new railway.
---Could I borrow your car for a while? --- _________. I won’t use it today.
—— I’d like to take a month’s holiday. ——___________ . We are too busy.
The flag looks especially beautiful _______________ the blue sky.
I’m moving to the countryside because the air there is much fresher than ______ in the city.