—Have you graduated from college?
—Yes, ________.
A. I studied French for two years.
B. I have been studying French.
C. I have studied French for two years.
D. I had studied French for two years.
---Hi, Dave. This is Helen speaking!
---Hi, what a coincidence! I _____ about you.
A. was just thinking B. just thought
C. have just thought D. would just think
—What’s the best way to reach you if I have a question during the day?
—I'm glad you ________. It’s best if you send me an email.
A. ask B. had asked
C. asked D. were asking
—I wonder what makes you a successful manager.
—I ________ as a waiter for five years， which contributes a lot to my today’s work.
A．serve B．have served
C．had served D．served
—Did any signs come up before the earthquake?
—Yes. Unusual things all those days. For example, a number of animals got out their homes.
A． happening B． were happening
C． has happened D． had happened
— Why are you always yawning, Kathy?
—I ______ all night reading Steve Jobs. That’s a fantastic book!
A. stayed up B. am staying up
C. stay up D. will stay up
