[ 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:
Tenses › ViewPresent simple is used to talk about:
A. Permanent situations
B. Temporary situations
Past Modals › View
I’m angry with you. You ________ those mean things to me.
A. should have said
B. shouldn’t have said
C. should have sayed
D. shouldn’t have say
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
