问题

His invention ______ of no use by the scientists of that time
A:considered being
B:considered to be
C:was considered to be
D:was considered being
B:considered to be
C:was considered to be
D:was considered being
正确答案是:
同类题型
Without friendship, one won’t be happy _____ he is very rich.
Look! We have a set of ______. Do you want________.— Really Let me see.
What do you think of Harry, our newclassmate–I am not sure, but he is always asking______ questions.
Are you content with Ang Lee’s new film Life of Pi— Not a little It couldn’t be ________