–Did you enjoy ___________ at the party last night, Lingling? --Yes, I really enjoyed the food and the music there. Thank you.

—I don’t like music which I can’t sing along with.    —Me, ______. 

一I can’t find my pen．Could you lend me ________   ?—Sorry，I’m using it__________．

We find _____ important to use a foreign language well.

–___   _ the population of China?–_______  over 1,300,000,000.