Manyintroducedplants
来源:语文精选馆 2.15W
问题详情:
Many introduced plants ______ be cultivated in special soils for some time before they are transplanted in the field, otherwise they won’t survive.
A. must B. might C. could D. would
【回答】
A知识点:虚拟语气与情态动词
题型:选择题