THE EXISTENCE OF MANY STARS IN THE SKY US TO SUSPECT THAT THERE MA...

52. - BAI TAP TRAC NGHIEM VE CAC THI TRONG TIENG ANH
BAI TAP TRAC NGHIEM VE CAC THI TRONG TIENG ANH

52. The existence of many stars in the sky us to suspect that there may be life on another

planet.

A. Have led B. leads C. lead D. leading