— Why is the chemical plant closed?
— Because large quantities of waste water ______ into the Yangtze River.
| A．has been released | B．is being released |
| C．was released | D．have been released |
When you finish reading the book ,you will have ______better understanding of ______life. ,
| A．a, the | B．the . a | C．/,the | D．a,/ |
There was ____time _____I hated t go to school.
| A．a ,that | B．a ,when | C．the ,that | D．the ,when |
For a long time they walked without saying ___word . Jim was the first t break _____silence.
| A．the, a | B．a ,the | C．a ,/ | D．the,/ |
Tom owns ______larger collection of ______books than any other student in our class.
| A．the ,/ | B．a,/ | C．a ,the | D．/, the |
The Wilsons live in ______A-shaped house near the coast . It is _______17th century cottage.
the, / B. an, the C. /, the D. an ,a