[ Prepositions ]
She’s been working hard _____ her English skills.
A. about
B. at
C. on
D. with

Random Topics:
Present Perfect SimplePossessive Adjectives and Possessive PronounsPassive and Active SentencesContractions and ConjunctionsTypes of Simple SentencesSynonym and AntonymDEGREE COMPARISONPast and Past ContinuousAsking & Giving AttentionAdjectives & PrepositionsOther quiz:
Time › ViewWhat year were you born?
A. On 2009
B. In 2009
C. Of 2009
D. At 2009
Vocabulary and Grammar › View
Which word means “not like the other”?
A. hard
B. special
C. other
D. everywhere
Grammar › ViewThat cake ________ it’s burning. I’d better get it out of the oven quick!
A. smells
B. smells like
C. smells as if
Grammar › View
a person who starts a fire in a building in order to destroy it
A. an arsonist
B. a burglar
