问题详情:
Smiles around the world _____ be false, ______ other feelings like anger, fear or worry.
A. must; hide B. must; hiding C. can; hide D. can; hiding
【回答】
D
知识点:情态动词
题型:选择题
问题详情:
Smiles around the world _____ be false, ______ other feelings like anger, fear or worry.
A. must; hide B. must; hiding C. can; hide D. can; hiding
【回答】
D
知识点:情态动词
题型:选择题