By the year 2050, many people currently employed _____ their jobs.

A. absorb   

B. provide   

C. read        

D. transmit

A. in fear of                 

B. under threat of       

C. with fear of           

D. with threat of

A. We’ll have to move upstairs soon if the flood rises any higher.

B. Unless the flood rises any higher we won’t have to move upstairs.

C. If we don’t move upstairs, the flood may rise higher.

D. We have to move upstairs in case the flood rises any higher.

A. Should  

B. Had        

C. Were      

D. Did

A. didn’t come    

B. doesn’t come    

C. hadn’t come     

D. hasn’t come

A. a bell      

B. a mirror                 

C. a waterfall             

D. a lake