—I am going to the library. Do you have any books_______?
—No, but thank you all the same.
A.to return B.returned C.to be returned D.returning
With scenic spots exploring new projects, ticket sales will no longer be the only source of______.
A.revision B.revenue C.revolution D.review
Since COVID-19 has largely been brought______, people in China are returning to their work in an orderly manner.
A.under control B.under way C.under discussion D.under threat
A research project is quite different from homework__________you know there is a solution.
A.which B.where C.what D.that
Our high-tech zone has__________guidelines for sustainable development in the next five years.
A.fallen for B.got over C.broken down D.laid out
I can’t figure out why some foreigners must go out_______staying at home is the safest way during the outbreak of the virus.
A.until B.before C.unless D.when
