The conference has been held to discuss the effects of tourism ______the wildlife in the area.
A. in B on C. at D. with
The desire for self-improvement has led many Chinese students to pursue educational opportunities _______ physical classrooms.
| A．beyond | B．before | C．against | D．without |
Take care! _______ to frequent smog does great harm to your health.
| A．Exposing | B．To expose |
| C．Exposed | D．Being exposed |
Due to the unreasonable individual income _______, the gap between the rich and poor has become an outstanding issue.
| A．solution | B．association |
| C．distribution | D．contribution |
It is Tom as well as his two friends that _______ for the job.
| A．have applied | B．have been applied |
| C．has applied | D．has been applied |
The singer told his fans that not until he was recognized by the tutors in the TV program, the Voice of China, _______ to continue his music dream.
| A．did he decide | B．that he decided |
| C．will he decide | D．had he decided |