Articles

ln 1485, Leonardo da Vinci made detailed drawings of __ parachutes.

• a

• -

• the

He also made sketches of __ helicopter and __ tank.

• a/a

• an/a

• the/the

• -/-

__ first helicopter that could carry a person was flown by Paul Cornu.

• The

• A

• -

Tanks were first used in __ France in 1917.

• the

• -

• a

Bar codes were invented by Silver and Woodland in 1948. They used __ light to read a set of concentric circles.

• the

• -

• a

__ first computer was built in 1943, more than 100 years after Charles Babbage had designed __ first programmable device.

• A/a

• The/a

• A/the

• The/the

It's ____ best phone so far.

I've already dropped it ___ few times.

It does what __ cellphone needs to do.

I hate it! ____ phone has no screen on the outside cover!