1.
——Hi,Tom.Nice to meet you here!
-------Hi,Alice.Glad to see you.I______you were here,too.
A .don't think B.haven't thought C.didn't think D.hadn't thought
【答案】C.
【解析】考查时态的用法.我以为你不在这,因为我以为这个动作已经发生,我现在已经知道了,所以用一般过去时来表示已经发生的动作.
2.Scientists have many theories about how the universe ___ into being.
A.came B.was coming
C.had come D.would come
【答案】A.
【解析】考查时态的用法.宇宙是如何形成的,因为宇宙的形成这个动作已经发生,所以用一般过去时来表示已经发生的动作.