The 2014 FIFA World Cup will be held in Brazil on June 13th, 2014, and 32 football teams_____ so far.
-What did you do yesterday afternoon? -I went to the bookstore,___ some books and visited my uncle.
The stone on the river bank rolled under her feet; she was _____into the river,and she called out for help.
-Everyone says you are a good student. You are never late for school,are you? -_______.
_____ all the inventions have in common is ______ they have succeeded.
Last term our maths teacher set so difficult an examination problem _____ none of us worked out.