[ Grammar ]
. The students in the library ___ quietly.
A. works
B. working
C. work
D. is working

Random Topics:
Who vs WhomWish - beginnerAdjectivesModals and PhrasesGrammar: wishes and regretsPresent Perfect Negative and InterrogativeFuture Perfect ContinuousGrammar for TOEFLModal and Relative PhrasesSimple, Complex, Compound SentenceOther quiz:
Kinds of Nouns › Viewselflessness
A. Common Noun
B. Proper Noun
C. Collective Noun
D. Abstract Noun
Reported - Gerund › View
“Thank you very much for your help, John” said Daisy.
A. Daisy thanked John for helping her.
B. Daisy told John to help her.
C. Daisy would like John to help her.
D. Daisy wanted John to help her and said thanks.
Grammar › ViewMy hair was awful! I ______________ looked at the mirror before I left the house.
A. might have
B. mustn’t have
C. might not have
D. should have
Modals › View
This bill _____ be correct. It’s much too high.
A. can’t
B. mustn’t
