In the past 100 years many species, as a result of human destruction to nature，__________ and many more __________ now.
| A．have disappeared； are disappearing |
| B．disappeared；are disappearing |
| C．have disappeared；disappear |
| D．are disappearing；disappear |
. — He got his first book published. It turned out to be a bestseller.
— When was __________?
—__________ was in 2000 when he was still in college.
| A．that; This | B．this; It |
| C．it; This | D．that; It |
. Little joy can equal __________ of a surprising ending when you read stories.
| A．that | B．those |
| C．any | D．some |
. — There is still a copy of the book in the library. Will you go and borrow __________?
— No, I’d rather buy __________ in the bookstore.
| A．it; one | B．one; one |
| C．one; it | D．it; it |
. Could I speak to __________ is in charge of International Sales, please?
| A．anyone | B．someone |
| C．whoever | D．no matter who |
. To save class time, our teacher has ___ students do half of the exercises in class and complete the other half for our homework.
| A．us | B．we |
| C．our | D．ours |