—Have you worked here since you graduated?
—No, I ________ at a factory in Beijing for six years.
A.would work B.have worked C.had worked D.worked
________ medicine works in a human body is a question ________ not everyone can understand fully.
A.What; that B.How; that C.That; what D.That; which
We have been informed of the strict rules _____ for garbage sorting in the near future.
A.adopted B.to adopt C.to be adopted D.having adopted
We won’t start the work until all the preparations __________.
A.are being made B.will be made
C.have been made D.had been made
— The buyer ______ me 50 yuan for MP4. Shall I sell it?
— Why not? Your MP4 is out of date and it isn’t worth so much.
A.provided B.offered C.charged D.supplied
How lucky! The boy had a ________ escape when he ran across the road in front of the bus.
A.fine B.short C.close D.narrow
