—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
The agent was about to sign his name to the document ________,to our surprise,a stranger broke in to prevent him.
A.while B.when C.as D.until
— Do you know __________ they got to know each other?
— It was last year ________ they both taught English in China.
A. when was it that; when B. when it was that; that
C. when it was that; when D. when was it that; that
— It’s no easy task to catch a ticket on a website that receives 1 billion clicks daily.
—I can’t agree with you more. There ________ be errors for every single step.
A.should B.must C.will D.can
—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
----What’s that noise?
---- There’s a truck stopping outside.It’s someone something.
A.deliver B.to deliver C.delivering D.delivered