Choose a time you will be relaxed but also too busy to think about smoking.
| A．when | B．that | C．how | D．whether |
This law which has just been passed is athat the government will pay more attention to protecting wildlife．
| A．sign | B．record | C．mark | D．signal |
This book tellslife story of Jolin Smith，who leftschool
and worked for a newspaper at the age of l6．
A．the ；the |
B．a；the | C．the；不填 | D．a；不填 |
The reason for his success is _______ he worked very hard.
| A．why | B．that | C．whether | D．how |
He couldn’t ________ the fact that the money was found in his house..
| A．answer for | B．leave for | C．account for | D．care for |
Great changes _______ in this city over the past five years.
| A．took place | B．have taken place | C．were taken place | D．have been taken place |