It is so cold that you can't go outsidefully covered in thick clothes.
| A． | if | B． | unless | C． | once | D． | when |
Tom owns ______ larger collection of ______ books than any other student in our class.
| A．the; 不填 | B．a; 不填 | C．a; the | D．不填; the |
The Wilsons live in ______ A-shaped house near the coast. It is ______ 17th century cottage.
| A．the; 不填 | B．an; the | C．不填; the | D．an; a |
When you finish reading the book, you will have______ better understanding of ______ life.
| A．a; the | B．the; a | C．不填; the | D．a; 不填 |
There was ______ time ______ I hated to go to school.
| A．a; that | B．a; when | C．the; that | D．the; when |
It is ______ world of wonders, ______ world where anything can happen.
| A．a; the | B．a; a | C．the; a | D．不填; 不填 |