[ Preposition & Gerund ]
Brian really has to work on _______ his vocabulary.
A. improve
B. improved
C. improving
D. improves

Random Topics:
Commas and Subordinating ConjunctionsPrepositions of Place & TimePronouns, Verb, ConjunctionGrammar Like & Linking VerbPresent Simple & Present Progressive TenseConditional Sentence 0, 1Sentence Structure and ConjunctionsSuffixes (ing-ed) SentencesInfinitive and GerundsGerund, Infinitive & ModalsOther quiz:
Grammar › ViewIt …. our cat.
A. am
B. are
C. is
Gerunds and Infitinitives › View
I don’t really feel like ________ tonight. Let’s go out for dinner. (cook)
A. cooking
B. to cook
Tenses › ViewWe always _____________ food to school.
A. bring
B. brings
C. brought
Vocabulary › View
sellers or merchants
A. vital
B. vendors
C. woebegones
D. worthy
