问题

Everything works out well ____, we are sure that the experiment will be completed on time
A:Therefore
B:While
C:However
D:Otherwise
B:While
C:However
D:Otherwise
正确答案是:
同类题型
_ I met him, he was working as a secretaryin a big company.
interesting subjects they are !
They would not allow him _______ across the enemy line.[ ]
______ does this scarf belong to— Let me see. Oh, it may be ______.
Must I stay at home and take care of him——No, you ___________. He can take good care of himself.