Phrasal Verb 6 - Back & Act

The barking dog made the mailman back _____ in fear.

• out

• away

• up

• down

They make threats but back _____ at the first sniff of trouble.

• in

• up

• away

• down

Just back _____ and let us do this on our own, will you?

• off

• down

• away

• up

I hope I can depend on you not to back _____ at the last moment.

• up

• around

• out

• down

The writer does not back _____ his opinions with real examples.

• on

• out

• into

• up

You should always back _____ your data in case your computer breaks down.

• up

• out

• in

• over

Antibiotics act _____ the bacteria that cause the disease.

• into

• out

• on

• off

Why didn't you act _____ her suggestion?

• off

• on

• into

• for

The children always act _____ when their mother is out.

• out

• up

• in

• away

My parents have entrusted me to act _____ them while they are away.

• as

• on

• for

• in