what _____ they _____ they are ____ ____ this book
what _____ they _____ they are ____ ____ this book
what are____?they are_____.how much ____ ____?they are _____
What are they _____ at the camping ___________?They are ____
they are ____(so/such) good boys. _____(how/what) clever boy
I ______ think they ____ _____ a picnic this afternoon.
Are those _____(they) photos? No they aren't. they are ____(
They are eating hmburgers ____ hot dogs _____ drinking coffe
the kind of book ____ ____and they ______ _____ _____. 这种书很畅
_____ they saying _____ ____ ____ their techer
他们今晚不打算在家吃饭.They ____ _____ ____ _____supper at home this ev
____ they _____ (know) it last week?
1.--_____ you ____( hear) what they _____(talk) about?--I'm