[ 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:
Tenses › ViewThe drought ____ crops in the region last summer.
A. affected
B. affects
C. is affecting
D. will affect
Prepositions › View
My apartment building is ___ the corner.
a. in
b. on
c. at
The ball broke the window ___.
a. pain
b. pane
Abstract Noun vs Concrete Noun › View
computer
A. Concrete
B. Abstract