SO FAR THERE IS NO VACINE ……….IN A. THE SIGHT FOR THE...

100.So far there is no vacine ……….in

a. The

sight for the common cold.

a. or curing

b. At

b. has cured

c. On

d. In

c. or cure

d. having cured

107……….of commodities by air began in

the 1920s at the same time as airmail