Complete the sentences with the correct forms of the words in the box.
给词：electronic powerful nearly develop accurate check invent
bottom separately
1.The Indians _____ the system of numbers.
2.Computers are _____ machines.
3.____ dictionaries are very popular with students these days.
4.____ half of the students did not finish the difficult homework.
5.Please _____ your belongings before you leave the hotel.
6.The company _____ a new computer game and it was very popular with young people.
7.Bill and Liz left the party _____.
8.Computers can do _____.
9.Please read the _____ line on this page.