完型填空
A：  1 ，Jim!There is a big bag  2  the tree.
B: What’s   3  it?
A: I don’t know.I   4   there are some books.
B:  5 ，I think   6 a football.
A: Let’s go and   7  it.
B: Ah,there are  8  and a football.
A:Oh,there is a name on the bag — David Smith.
B:It’s   9  .Let’s find him  10  give him the bag.

A．Look B．Look at C．See D．See at

A．at B．on C．under D．in

A．at B．under C．on D．in

A．thinks B．guess C．guesses D．thinking

A．Yes B．No C．OK D．that’s all right

A．A there’s B．there C．its D．there are

A．opens B．open C．to open D．opening

A．some flower B．any flower C．some flowers D．any flowers

A．but B．or C．and D．so