[ Grammar ]
It is very simple to ________ this machine.
A. to use
B. used
C. use

Random Topics:
Such...that, so ......thatModals and Active and Passive VoiceGrammar and Sentence CorrectionConnectivesPresent Perfect Tense and Simple Past TensePresent Simple PassivePast Tense and NeutralAdjective ending with ED & INGNouns, Articles, DeterminersPreposition (at,in,on)Other quiz:
Tenses › ViewWhen I was a child, I ……….the violin.
A. was playing
B. am playing
C. played
D. play
Present Tenses › View
I ……………….. for the manager for two hours.
A. am waiting
B. wait
C. has waited
D. have waited
Verb Tenses › ViewWhat were you doing when the accident happened?
A. I repaired the car
B. I was repairing the car
C. I repair the car
D. I am repairing the car
Grammar › View
Lisa didn’t take a trip to Penghu, but her classmates ________.
A. did
B. take
C. took
D. didn’t take