-Where is my phone? I can't find it.-Oh, you must have left it in the library where we ___________ the novel.
A. are reading
B. read
C. have read
D. had read
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The past week______ China's sixth annual Cyber security Week held from Sept 16 to 22 nationwide.
A. marked
B. has marked
C. had marked
D. was marking
-Where is your new home now?-In the new developed zone. But I _________ downtown for five years.
A. lived
B. had lived
C. have lived
D. was living
My grandpa has been enjoying good health ever since he __________ smoking.
A. stops
B. stopped
C. has stopped
D. had stopped
-Have you ever seen that movie?-Yes. When I was in Tokyo. I it three times.
A. saw
B. had been
C. have seen
D. would see