[ 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 › ViewA: The weather is beautiful. Would you like to ….
B: I’d love to.
A. study hard
B. go for a walk
C. stay in
D. play computer games
Grammar & Vocabulary › View
. My company’s trying to __________ a new marketing assistant at the moment, if you’re interested.
A. hiring
B. be hiring
C. hire
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
