单选题
The second book was ______ by August 1952, but two years later, the end was still nowhere in sight.
【正确答案】
D
【答案解析】[解析] was to have been completed by August 1952意为“本来按计划要在1952年8月前脱稿的”(但并没有如期完成)。be to do sth.表示打算或按计划要做某事；后面跟不定式完成式表示“按计划本来要做某事(但后因故未做)”。