passive sentence and participle clause

The earliest chatbots … developed for fun by programmers with no commercial plans.

      

• a. are developed         

• b. were developed        

•     c. has been developed 

• d. have been developed

• e. had been developed

Based on research, all types of false beliefs … by a person’s fears.

      

• a. is being influenced

• b. is influenced  

• c. will influenced  

•        d. are being influenced 

• e. are influenced

It … that Shakespeare spelt his name in three different ways.

    

•    a. had once believed  

• b. is once believed 

•         c. was once believed  

• d. were once believed 

•   e. has once believed

Time travel is now considered … impossible.

  

 

•      a. to being

• b. to have been  

• c. to have  

• d. to been 

• e. to be

People see many sites from the top of the London Eye, … the River Thames.

   

 

•     a. included 

• b. including  

•   c. having include  

• d. have

• e. to including

Many countries boast historical sites … back hundreds of years.

      

• a. dated 

• b. dating 

• c. to dated  

• d. to dating 

• e. have dating

Have you tried listening to the song recently … by Taylor Swift.

    

•    a. released 

•    b. releasing

• c. having releasing  

• d. to release 

• e. to releasing

… a large sum of money, Bill Gates is known to be one of the most famous philanthropists in the world.

     

•   a. having donating 

• b. donate

•   c. donating 

• d. donated  

• e. being donated

By 2017, Over 30,000 chatbots … by over 100 million people.

    

•    a. are used 

• b. were used  

• c. have been used 

• d. had been used 

• e. has been used

This website must …  in order to expose incorrect information.

      

• a. be created 

• b. be create  

• c. be creates   

• d. be creating  

• e. have created