问题
The time he has devoted in the past years _______ the homeless is now considered _________ of great value.
A:to help; being
B:to helping; to be
C:to help; to be
D:helping; being;
B:to helping; to be
C:to help; to be
D:helping; being;
正确答案是：
同类题型
The purpose of the research had a more different meaning for them than ________.
— How was the carcrash?— Terrible There were no survivors ________[ ]
Perhaps we can’t arrive at the busstation on time— We still have forty minutes
Our country provided the people _____ plenty of thingsduring the flood.