If you want to be a student helper, please call him 443-5667. A、at B、in C、of
Look! Some beautiful birds (鸟) are ______ the tree.
----______ he have a tennis ball ? ---- No, he _________.
Wow! ________ a lovely dog. Do you know ________ name ?
Hi. This is __________ new teacher. _________ name is Linda and the bag is _______.
A: Are there ____new pens in your pencil--box? B: Yes, there are ____.