[ Preposition & Gerund ]
Brian really has to work _______ improving his vocabulary.
A. in
B. at
C. on
D. for
Select your answer:
Random Topics:
Have Been to vs. Have Gone toa, an, the, Zero ArticleLoose vs. LoseIndefinite and Reflexive PronounsModals Of SpeculationPast Simple, Past Continuous, Past PerfectWishesAsking & Giving OpinionAdverbs (manners & modifiers)
Other quiz:
Grammar › View___ through the woods, they found a bird with a broken wing.
A. Walking
B. Walked
C. Having walked
Prepositions › View
They work_____the first floor of the Empire State Building in New York.
A. in
B. under
C. over
D. at
E. on
How to use : Read the question carefully, then select one of the answers button.