[ Grammar ]
Who taught you ______ this complex software so quickly? It’s quite impressive.
A. using
B. use
C. to use
D. used

Random Topics:
Present Simple x Present ContinuousModal Verb, Passive Voice-ing / InfinitiveAdjectives and DegreesPresent simple, Present continuous, Singular, PluralPresent simple & ContinuousAsking and Giving Suggestion-ed and -ing AdjectivesConnectivesPresent Perfect and Present Perfect ContinuousOther quiz:
Verb Tenses › ViewConvert the sentence to future tense: ‘He runs every morning.’
A. He ran every morning.
B. He is running every morning.
C. He has run every morning.
D. He will run every morning.
Grammar › View
Which transportation go by WATER?
A. Airplane
B. Helicopter
C. Boat
D. Taxi
Grammar › ViewChoose whether a comma or a semicolon should be used in this sentence:
“When we get to the baseball _____ will you buy me some peanuts?”
A. game,
B. game;
Toeic Verb › View
After Ms. Williams —— Levine Advertising, she made some innovative suggestions to reduce expenditures.
A. join
B. joined
C. is joining
D. has been joining
