will表预测与一般将来时 — 英语填空题
题目
用括号内所给动词的适当形式填空，每空一词。1. Scientists believe humans ______ (not live) on Mars before the year 2100. 2. —Do you think there ______ (be) more robots than workers in factories in thirty years? —Yes, I do. 3. Everything in the future world ______ (change) quickly, so we must get ready for it now.