将来进行时与将来完成时的用法 — 英语选择题
题目
The field team will label the samples from 9 to 11 tomorrow. At 10, they ___ the samples; by 5 p.m., they ___ all of them. A. will be labeling; will have labeled B. will have labeled; will be labeling C. will label; will have labeled D. will be labeling; will label