1．A：Mary，I can't find my dictionary.Can I borrow yours？
B：（1）.
A：Where is it？
B：It's in my bookcase.
A：（2）.
B：Hmm...is it on my desk？
A：（3）.
B：On my bed？
A：Oh，I see it.（4）.Thank you!
A：（5）.

2．A：Hi!Lisa.Why are you in such a hurry？ （1）？
B：I lost my bag.I looked for it here and there，but I didn't find it.
A：Really？（2）？
B：I found it was gone half an hour ago.
A：Bad luck! （3）？
B：Yes.My wallet is in the bag.
A：Don't worry.I can help you look for it.
B：（4）.But what shall we do next？
A：Let's go to the Lost and Found office.
B：Good idea（5）？
A：It's on the first floor in the office building.Maybe we are lucky to find it there.
B：I hope so.Let's go there and have a look now.

3．— You helped me a lot with my work today.Thanks.
— ________（　?。?/div>