Complete the sentences with the correct forms of the words in the box.

Complete the sentences with the correct forms of the words in the box.
给词：electronic powerful nearly develop accurate check invent
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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.