Now most families have only one child _____ our country’s one-child policy.
-- __________ beautiful city! --Yes. Lots of tourists come to visit it every year.
--I lost my MP4 on my way home this afternoon. -- _________! You must be careful next time.
--I hear Jack Chan will come to Laiwu next week. --Really? _______ he comes, my younger sister will be very happy,
--Alice, please tell Eric to call me when he _____ back. --No problem.
There are ________ people in the supermarket. It’s so crowded.