[ 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:
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