A teacher's ___ to education is worth great respect of the whole society because it brings benefits to the development of society．
| A．devotion | B．principle | C．identity | D．guidance |
Harry Potter has made reading popular again, ______ is why parents and teachers like the book, too.
| A．that | B．who | C．which | D．what |
Some countries have banned smoking in public places ______ public health.
| A．improve | B．to improve |
| C．improving | D．improved |
Mr. Smith had to go to work by bus this morning as his car ______.
| A．would repair |
| B．was repairing |
| C．had been repaired |
| D．was being repaired |
Food and fruit are forbidden in the library, ______ you are allowed to have drinks and sweets with you.
| A．and | B．but | C．so | D．or |
Being ______ highly skilled reader is ______ key to becoming successful in the Information Age.
| A．a; 不填 | B．不填; a |
| C．the; a | D．a; the |