If Newton lived today,he would be surprised by what_____in science and technology.
A.had discovered B.had been discovered
C.has discovered D.has been discovered
One thousand dollars a month is not a fortune but would help cover my living _______.
A.bills B.expenses C.prices D.charges
Those successful deaf dancers think that dancing is an activity_____sight matters more than hearing.
A.when B.whose C.which D.where
—I apologize for not being able to join you for dinner.
—________.We’ll get together later.
A.Go ahead B.Not to worry
C.That’s right D.Don’t mention it
A new_____bus service to Tianjin Airport started to operate two months ago.
A.normal B.usual C.regular D.common
It is difficult for us to learn a lesson in life_____we’ve actually had that lesson.
A.until B.after C.since D.when