—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
An emergency meeting will be held tomorrow, at which the bill ________ to pass.
A. is expected B. will be expected
C. expects D. will expect
A modern city has been set up in ______ was a wasteland ten years ago.
A．what B．which
C．that D．where
Some children want to challenge themselves by learning a language different from ______ their parents speak at home.
A．what B．that
C．which D．one
