[ Noun Clauses ]
_______________ begin their existence as ice crystals over most of the earth seems likely.
A. Raindrops
B. If raindrops
C. What if raindrops
D. That raindrops

Random Topics:
Apostrophes and GrammarThe Structural Types of SentencesModal Verbs and ConjuctionsLanguage Features of an Opinion ArticleFamily Members and Present SimpleGrammar - Future ActionPast and Perfect TensesComparison of Adjective and AdverbGrammar - FutureTo Infinitive or Bare InfinitiveOther quiz:
Grammar › ViewYou …….. go swimming. It’s OK with me.
A. should
B. may
C. must
D. need to
Vocabulary › View
The moon’s cycle begins with a new moon.
The word cycle means:
A. a dark shadow
B. a repeated pattern
C. the first phase
D. a long journey
Grammar › ViewFind the simple past
A. She went there
B. He has gone there
C. They were going there
D. It will go
Conjunction › View
Annette couldn’t go, ________ she was tired.
A. Nor
B. Yet
C. For
