You must never take the helmet off when you drive.

A. They are environmentally responsible constructions with gardens

B. They are gaining in popularity in different parts of the world

C. They have only been built in technologically developed countries

D. They are more economical and produce no pollution

A. despite                            

B. instead                             

C. therefore                          

D. however

A. There is no doubt about it!                        

B. Yes, it's an absorb idea.

C. Well, that's very surprising.                       

D. Of course not, you bet!

A. exploit                     

B. seize                         

C. make use                  

D. get

A. imaginary                

B. isolated                    

C. imaginative              

D. real