1.This is a _____ table.It's made of _____(wood)
2.Two of the riders _____ (throw)off their horses is the second race.
3.What do you think is _____(helpful) invention of all?
4.the number of the students in our school _____(be)1200,and a number them_____(be) hard-working.
5.Quite a few drivers who drove too fast_____(stop) by the policman.
6.Tim was seen _____(get)out of the subway at the station on Center Street