Peter studies English ________ seeing foreign films. [ ]

I think we should make a plan in detail first. Do you agree ________ me?—Yes. Let’s start now.[ ]

October 31st is _____ Halloween, it’s _______ interesting festival for children.

Could I use your mobile phone? I have to call my mom for the coming class meeting. –Yes, of course you _____________.

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