- Why didn't you try your best to get on the subway?- I tried to, but it started moving_______ I could get on it.

 There are a lot of new buildings on ______ sides of the street.

The plane couldn’t take off on time _____ the heavy rain.

—Mr. Smith, would you please speak a little more ________?—Sorry! I thought you could follow me.

 ---Have you heard of Kunming terrorist attack?---Yes, it happened ________ March 1st, 2014.