I’d prefer to ________ my judgement until I find all the evidence.[ ]

____ Mr. Zhang gave us some good suggestions, but we still didn’t deal with those problems very well.

Not until the teacher explained the importance ofgetting up early ______ we promise to come early

Yan Zi and Zheng Jie of China ________the Women’s doubles trophy(奖杯)after winning the final at the Australian Open tennis tournament in Melbourne January 27，2006

By the year 2020 scientists _____ a lot of research on AIDS