(2013·天津，11)It was not until near the end of the letter________she mentioned her own plan.

What’s Mother doing, Jim—I don’t know. She ________Zhou Libo’s show at her bedroom.

a good plan in theory, but it remains _______whether it works in practice.

Thousands and thousands of people attendedthe president’s inaugural ceremony，with ages ________ from 5 to 100.

.There is not _________ for us ________.