将来进行时与将来完成时的用法 — 英语填空题
题目
用括号中动词的将来进行时或将来完成时的适当形式填空：By 6 p.m. tomorrow, the workers ___ (finish) repairing the bridge, because they promised to complete all the work before dark. At exactly 6 p.m., the engineers ___ (check) the bridge to make sure it is safe to use.