unit 1&2 preview

without antivirus program, your computer is ............. risk.

• on

• with

• at

• of

to change the word "agree" into a noun, we add the suffix ...........

• -er

• -ist

• -ment

• -tion

"trusted" and " ............." are antonyms.

• reliable

• enjoyable

• terrible

• unreliable

to turn the adjective "quick" into an adverb, we add ........

• -al

• -ly

• -tion

• -ive

"permenant" and "................" are antonyms.

• lasting

• temporary

• forever

• difficult

"secure" and "safe" are ..........

• opposite

• antynoms

• verbs

• synonyms

the prefix "un- " in "uncomfortable" gives the ............. meaning.

• same

• similar

• opposite

• noun

we should thank you ...... your effort and help.

• for

• to

• with

• at

you should be careful ............... what you share online.

• for

• of

• on

• about

they care ............. the environment and being kind to others.

• about

• with

• for

• to