[ 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
Select your answer:

Random Topics:
Grammar Double Object VerbsPast Tenses and ConditionalsInfinitive and GerundsConjunction: Because and SoTag QuestionPresent or Past TensesFuture Tense VocabularyTo Infinitive/Bare Infinitive/GerundsPerfect TensePhrasal verbs and Prepositional PhrasesOther quiz:
Reporting Verbs › ViewAsprey (2018) emphasises that exercise is a powerful anti-aging tool.
A. says something is true directly, and firmly, often used when others disagree
B. to highlight an important point
C. suggests it is inaccurate
D. says indirectly that something is true
Mixed General Quiz › View
My mother wants to buy a _______ for my younger sister.
A. toyss
B. toyes
C. toys
D. toy
