LS Unit 7 lesson B Vocabulary Forms

Security guards are able to ________ the car park using CCTV.

• observing

• observe

• observed

The satellite will ___________objects that are particularly interesting astronomically.

• observe

• observeing

• observing

• observed

Light-colored clothing ____________the sun’s heat rather than absorbing it.

• reflect

• reflects

• reflection

Some telescopes use mirrors to ______________ light.

• reflected

• reflects

• reflect

Alexander Graham Bell ___________the electric telephone in 1876.

• invented

• invent

• invention

The mobile phone is an amazing ____________.

• invent

• invention

• inventor

Thomas Edison is the ___________ of electric bulb.

• invent

• invention

• inventor

The accident has __________ destroyed his car.

• completely

• complete

• completed

I have to _______________ my book review before week 7.

• completely

• complete

• completed

My friends finally __________the coast after five weeks of travelling.

• reached

• reaches

• reach