67.I can’t get my computer started now.Something ________ wi

67.I can’t get my computer started now.Something ________ with its operation system.
A) has gone wrong B) should have gone wrong
C)is wrong D) must have gone wrong
69.I think that neither John nor his father ________ able to wake up early enough to catch the morning train.
A).is B) are
C) be D) being
70._________ the various reports ,the Committee decided to delay the project for a year.
A) Having taken into account B) Taking into account
C) Taken into account D) To have taken into account
选什么并解释一下就可以了