[ Grammar ]
I can’t tell ___ the box is open. Can you take a look for me?
A. what
B. if
C. ╳
D. who

Random Topics:
English MorphosyntaxHave to / Do not have toPast Tense vs Present TensePossessive Adjectives VS Possessive PronounsModal and Auxiliary VerbsComparisonMiscellaneous Grammar UsagesInfinitive and GerundsVerb + InfinitiveEnglish ArticleOther quiz:
Verb Tenses › ViewI_______how to dance tango in high school.
A. learned
B. had learned
C. had been learning
Articles and Quantifiers › View
Taylor knows a lot about ______ classical music. He seems to like ______ string quartets of Beethoven best.
A. _ / the
B. _ / _
C. the / _
D. a / the
Vocabulary › View(adj.) not movable; not moving
A. immobile
B. impassable
C. minimum
D. nimble
Mixed General Quiz › View
The puppy had mud all over its ___.
a. pause
b. paws
