[ Prepositions ]
I think you’d better concentrate ____________ your work if you want to finish on time.
A. at
B. on
C. of
D. for
Select your answer:
Random Topics:
Imperative SentenceIntensive vs. Reflexive PronounAdjective vs. Adverbas...as, comparatives, superlativesAdverbIndefinite PronounsClauses and GerundsBe used to vs used toPossessive Adjectives & Possessive Pronouns
Other quiz:
Vocabulary › ViewThe plans should be drawn as ___________ as possible.
A. accurately
B. mostly
C. approximately
D. directly
Past Participles › View
By 7 in the morning, she had ______( go) to school.
A. wented
B. went
C. gone
How to use : Read the question carefully, then select one of the answers button.