Activeandpassive

The light bulb ....................by Thomas Edison 130 years ago.
1. were invented
2. had been invented
3. was invented
4. is invented
Ten years after the ball-pointed pen the first contact lenses .................... .
1. was sold
2. were sold
3. is sold
4. have been sold
Since the MS-DOS was invented, it ................... by all people.
1. have been used
2. was used
3. were used
4. has been used
2009:
People (know) …………………. Coca Cola for 123 years.
1. have known
2. has known
3. know
4. knew
7th May 1886: Tomorrow John Pemberton (invent) ………………………….. Coca Cola.
1. invented
2. invents
3. has invented
4. is inventing
9th May 1886: Yesterday the soft drink Coca Cola ............ by chemist in Atlanta.
1. is invented
2. has been invented
3. was invented
4. will be invented
1900: It (take) ………………………….. 22 years until people can eat gummy bears.
1. will take
2. has taken
3. had taken
4. takes
1962: Forty years ago the gummy bears .............. by Hans Riegel.
1. will be invented
2. was invented
3. were invented
4. are invented
It is the year 1700. People …………………………… their first butter biscuits in 189 years.
1. have eaten
2. eat
3. will eat
4. ate
2009: We (know) …………………………….. Bahlsen’s butter biscuits for 120 years.
1. knows
2. know
3. has known
4. have known