--What
问题详情:
--What ________ it be? --It can't be a mail box, for it's moving. It ________ be a car. A. must; must B. can; can C. can; must D. must; can
【回答】
C
知识点:情态动词
题型:选择题
问题详情:
--What ________ it be? --It can't be a mail box, for it's moving. It ________ be a car. A. must; must B. can; can C. can; must D. must; can
【回答】
C
知识点:情态动词
题型:选择题