[ Grammar ]
Which of the following is an uncountable noun?
A. sand
B. water
C. air
D. sugar

Random Topics:
Gerund, Participle, Infinitive, or AppositiveAdjectives & QuantifiersSubordinating ConjunctionsSubordinating Conjunctions and ClausesModal Verbs & Time PrepositionsConditionals 1,2,3Past simple - Irregular VerbsContrastive ConjunctionComplex SentencesReported SpeechOther quiz:
Prepositions › View_____ it is a nice day tomorrow, we can go swimming.
A. If
B. Until
C. When
D. Before
Vocabulary › View
This marker is ________. You can’t erase it.
A. temporary
B. expensive
C. confident
D. permanent
Homonyms › ViewThe ball broke the window ___.
a. pain
b. pane
Abstract Noun vs Concrete Noun › View
computer
A. Concrete
B. Abstract