[ Preposition ]
If you keep making so much noise, I won’t be able to concentrate____ my work.
A. at
B. in
C. of
D. on

Random Topics:
Adverbs and PhrasesUncountable NounsGrammar: MorphologyGrammar - Sentence StructureVerb Moods and Vague PronounsRegular Plural NounsArticles & Compound Nouns-ed or -ingGerunds in SentencesAdjectives with -ED and -INGOther quiz:
Grammar › ViewI’ve been looking for my pen, but I can’t find it ………… .
A. anywhere
B. nowhere
C. everywhere
D. somewhere
Vocabulary › View
If you impugn someone in a statement, and then you find out that you were wrong, you might _____ your statement.
A. badger
B. implore
C. permeate
D. retract
Modals › ViewYou__________have your hair dyed when you are a student. It’s forbidden.
A. don’t have to
B. shouldn’t
C. mustn’t
D. ought not to
Conditional Sentences › View
He never buys lunch
A. if he wouldn’t have cash.
B. if he have no cash.
C. if he doesn’t have cash.
D. if he didn’t have cash.
