Sorry to say it will be years _______ we really have classes here with only 25 students.
A.since | B.that | C.when | D.before |
—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 |