Today’s world is changing rapidly, making _____ necessary for us to continue learning otherwise we can’t keep up with the time.
-What a pity! He got nothing in ______ for his hard work..
-They were so far away that I couldn’ttheir faces.
-On hearing the sound, the birds flew away in every.
-She often gets up late,when she has no classes in the morning.
-Bill Gates was so nice that he decided toninety percent of his money to charities.