问题

The time he h________ of great value.
A:to help;being
B:to helping;to be
C:to help; tobe
D:to helping;being
B:to helping;to be
C:to help; tobe
D:to helping;being
正确答案是:
同类题型
After he had been hit by many hardships and failures, the young man _____ at last.
He has collected ___ six hundred dollars
The suggestion ________ by the teacher is available.
Shortly after the earthquake, many people hurried to the hospital to_______ their blood.
His parents meant him_____________ scientific research, but he showed no interest and turned poet.