UNIT 18 B1 - INVENTIONS & DISCOVERIES

I can't remember the ______ year it was discovered, but it was around 1975.

• complicated

• sudden

• exact

• unique

Tags

CCSS.L.1.1F

CCSS.L.2.1E

Was it a/an _____ decision, or had you thought about it for a long time?

• sudden

• automatic

• exact

• complicated

Tags

CCSS.L.1.1F

CCSS.L.2.1E

Do you know who _______ the planet Mars?

• invented

• discovered

• ran

• operated

Tags

CCSS.L.1.6

CCSS.L.3.6

CCSS.L.K.5A

You need four people to _______ this machine.

• invent

• discover

• estimate

• operate

Tags

CCSS.RI.6.4

CCSS.RI.7.4

CCSS.RI.8.4

CCSS.RI.9-10.4

CCSS.RI.9-10.4

Each person's fingerprints are ______. No 2 people have the same fingerprints.

• sudden

• artificial

• complicated

• unique

Tags

CCSS.L.6.2B

CCSS.L.6.6

CCSS.L.7.2B

CCSS.L.8.2C

CCSS.L.9-10.1.C

There is a ____ of phone in this office. We need some more!

• lack

• effect

• kind

• type

Tags

CCSS.L.6.4A

CCSS.L.7.4A

CCSS.L.7.5B

CCSS.L.8.4A

CCSS.L.9-10.4A

My computer has _______ ______ again.

• found out

• broken down

• pulled off

• come across

Tags

CCSS.L.4.1C

CCSS.L.9-10.1B

Jenny was late for chemistry so she _____ ____ a story about being attacked by a dog!

• found out

• threw away

• made up

• came across

Tags

CCSS.RI.7.4

CCSS.RI.8.4

CCSS.RI.9-10.4

CCSS.RL.8.4

CCSS.RL.9-10.4

I wonder when time machine will be invented in the ______.

• opinion

• future

• end

• last

What is the _________ between H₂O and H₂SO₄ ?

• different

• difficult

• difference

• difficulty

Tags

CCSS.RI.7.3

CCSS.RI.7.5

CCSS.RI.8.3

CCSS.RI.8.5

CCSS.RI.9-10.3