[ Grammar ]
ustomer complaints have become much more — since we installed the automatic messaging system.
A. managing
B. manage
C. manageable
D. management

Random Topics:
Conditional Sentences Type 0, 1 and 2Possessive Adjectives and Possessive PronounsContinuous TensePast Perfect & Past SimplePresent Simple vs Present ContinuousPossessive AdjectivesGrammar: is/are/was/wereAdjectives vs AdverbsRequest with Modal VerbsAdverbial ClauseOther quiz:
Vocabulary › ViewLike many young people today, I’m thinking about taking a year ____ first, or as people often say, spending a year at “the university of life”.
A. off
B. away
C. out
D. at
Regular and Irregular Verbs › View
Irregular Verbs
Go
A. went
B. ran
C. saw
D. slept
Grammar › ViewPast Progressive: We _______ basketball when it started to rain.
A. was playing
B. were playing
C. are playing
Past Continuous Tense › View
They ____ their homework yesterday at 3 o’clock
A. wasn’t doing
B. weren’t doing
C. wasn’t do
D. were’nt doing