Part B 第四课时 一、看图，选择合适的介词填空。 on in under 1．The balls arethe table. 2．The ruler isthe bag. 3．The bag isthe table. under in on 二、给下列句子或对话选择正确的图片。 A. B． C． D. ( )1.Open the door, please. ( )2.—Where are the toys? —They are on the floor. ( )3.—Are the books on the desk？ —No, they aren't. ( )4.—Where is the phone？ —It's on the table. D A B C 三、选择合适的选项，补全对话。 A．You're welcome. B．Where are my keys? C．Are they near the phone? D．They are in the door. E．No, they aren't. Tom: 1.________ I lost my keys. Lily: Are they on the desk? Tom: 2.________ Lily: 3.________ Tom: No, they aren't. Lily: Look. 4.________ Tom: Oh, yes. Thank you very much. Lily: 5.________ B E C D A
