-________ do you read Duowei Reading books, Jack?
-Once a week.
How much
How often
How long
How soon
________ your answers carefully before you hand in your _________ exam paper.
The little girl felt to see thefilm.
Chinese students havethan American students, so American students spendat school than Chinese students.
Something ________ when they built the bridge.
We founddifficult to learn a foreign language well.