[ Idioms ]
I know how to use computers, but I don’t really understand the ______ of how they work.
A. ups and downs
B. ins and outs
C. on and off

Random Topics:
Interrogative PronounsModal Verbs of PermissionConjunctions and TransitionsTense,noun,preposition,quantityCommunicative GrammarTime Clauses of FuturePast Perfect TenseConjunctive AdverbsPersonal PronounsComparison & Modal Verbs in Passive VoiceOther quiz:
Simple Past Continuos › ViewIt ______ heavily when I ______ .
A. rained – got up
B. was raining – get up
C. rained – get up
D. was raining – got up
Present Perfect Tense › View
Has she arrived here?
The positive form of the sentence above is ….
A. She have arrive here
B. She has arrive here
C. She have arrived here
D. She has arrived here
Grammar › ViewI don’t think you and Jason need help. You can do it by ___.
A. yourselves
B. yourself
C. himself
D. themselves
Homonyms › View
Every night I like to read ___ to my children.
a. allowed
b. aloud