题目

 --- Bob, where are you working now?    --- I used to work in a small company, but I ________ a job in some bigger companies.    A. have sought       B. had sought      C. was seeking       D. am seeking 答案：D尼罗河畔的金字塔至今仍是巍峨壮观，它们是古埃及人智慧的结晶。这种建筑物是用来作为A.天文标记B.祭祀C.神堂D.法老的陵墓