Lucy has a great sense of humor and always keeps her colleagues with her stories.
A.amused B.amusing C.to amuse D.to be amused
The new machine, according to the report, will work twice as fast, ______ greatly reducing costs.
A.so B.even C.yet D.thus
Would it be ______ for you to pick me up at four o’clock and take me to the airport?
A.comfortable B.vacant C.convenient D.handy
—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
The girl devoted all her spare time she had ______ others.
A.to help B.helped C.to helping D.help
