[ Tenses ]
Jack ______ any messages to me since last month.
A. didn’t send
B. won’t send
C. haven’t sent
D. hasn’t sent

Random Topics:
Grammar - direct/indirect objectsPronouns/ Present TensePassive VoicesProgessive TensesVocab CheckingTenses and Sentence CompletionAdverbsPrepositions and Phrasal VerbsPast form of ModalsQuantifiers & Modal VerbsOther quiz:
Modal Verbs › View. ___ she play the piano when she was five?
A. Can
B. Could
C. Able to
D. Shall
Present Tenses › View
Look! Minh ____ on stage. She looks so beautiful.
A. sings
B. are singing
C. is singing
D. sang
Grammar › ViewDoes the sentence below use a gerund?
Listening to classical music is not boring.
A. with gerund
B. no gerund
Sentence Structure › View
I want to buy a new jacket, but it is too expensive.
A. Simple
B. Compound
C. Complex
D. Compound-complex
