The professor referred to yesterday. [ ]A. come B. came

题型：同步题难度：来源：

The professor referred to         yesterday. [     ]
A. come
B. came
C. coming
D. comes

答案

举一反三

The woman, who is said to have moved to America, _____ in China for almost twenty years.[     ]
A. lived
B. has lived
C. was living
D. had lived

题型：江西省模拟题难度：| 查看答案

Before joining the Department of Defense, Mr. Panetta ______ as director of the CIA from February 2009 to June 2011.  [     ]
A. would serve
B. served
C. was served
D. had been served

题型：江苏同步题难度：| 查看答案

---What’s that noise？Is the water still running?
--- Oh, my god! I _______to turn it off after I brushed my teeth.[     ]
A. have forgotten
B. had forgotten
C. forgot
D. forget

题型：江苏同步题难度：| 查看答案

—Hi,Michelle, I can"t find my e-dictionary.
—Sorry,I it. I guess I put it on the top shelf with my things.[ ]
A. had used
B. used
C. was using
D. am using

题型：山东省模拟题难度：| 查看答案

I have been working with Lily for years, and never before        her so serious![     ]
A. I found
B. I have found
C. did I find
D. have I found

题型：江西省模拟题难度：| 查看答案