_____ the burden of carrying heavy school bags, some schools introduced iBooks a few weeks ago. [ ]

Someone is ringing the doorbell. Go and see ____.

I’ll give her the books as soon as she ________.

You two live in the same community now. It’s too hard _____you to avoid ______ her.

The opening ceremony of the 11thNational Games, ______ in Jinan, Shandong Province from Oct.15-28 was highlypraised.