She was late for the meeting.One of the ________ is that she took her son to go to the doctor.

While watching the match, most of the children cried with joy.[ ]

It was ______ he does ______ makes his students enthusiastic about school.[ ]

It isn’tthat I should accept such an offer as that．

________ excited Geoff Marcy most was whether therewere planets in other solar system where life might exist.