一Do you know ________ Jenny comes to school every day?一Of course I do．She rides her bike．

I knocked on the door several times but         answered, so I left.

---Have you finished your report yet? ---No, I'll finish it in _______ ten minutes.

I forget to bring a pen．Would you lend me ____?

一I can’t find my pen．Could you lend me ________   ?—Sorry，I’m using it__________．