[ Vocabulary and Grammar ]
Do you know the reason ……. humans are interested in Mars and other planets in thesolar system?
A. which
B. that
C. why
D. whose

Random Topics:
TenseSentence Adverbs & Third ConditionalVerb Tenses and UsagePast Perfect or Past Perfect ContinuousTo infinitive - GerundParticiple - ing/ edConjunctions, Prepositions and InterjectionsNoun Clauses with THATPrepositions of Location, Movement and TimePronoun & Present SimpleOther quiz:
Tenses › ViewForm the progressive tense of the verb ‘dance’.
A. is dancing
B. dance
C. was dancing
D. danced
Conjunctions › View
Which conjunction should you use to connect the following sentences? Iris loves fantasy books. She doesn’t like romance in her books.
A. and
B. for
C. but
D. nor
Quantifier › ViewDont forget add . . . to make this coffee sweet
A. a spoon of salt
B. a spoon of sugar
C. a spoon of garlic powder
D. a spoon of tumeric powder
Grammar › View
John is the boy _____ comes ice-skating with me.
A. who
B. where
C. what
D. whom
