Our school often organizes various after-school activities, _____our stress to some degree.
A.to relieve B.relieved C.having relieved D.relieving
_______for the wrong turning on the highway, I would be having dinner with my friends now.
A.Had it not been B.Were it not C.It had not been D.It were not
The building of an ecological civilization has entered a critical period, _________that requires more quality products to meet people’s demand.
A.it B.that C.one D.the one
—You are late for the morning assembly again!
—I’m terribly sorry. I _______a contract almost the whole night.
A.was drafting B.have been drafting C.have drafted D.had drafted
—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
