What______ if the earth stopped moving?
A. happened
B. would happen
C. happens
D. will happen

Random Topics:
Ed and Ing EndingsThere is or There areVerbs and PrepositionsOrdering AdjectivesTenses and ArticleTransitional WordsAcademic Vocabulary1st & 2nd ConditionalsRelative & Modals-Ing and Infinitive Verb PatternsOther quiz:
Grammar and Sentence Structure › View. Choose the correct article usage:
A. This causes changes in weather, precipitation and temperature
B. This causes the changes in weather, precipitation and temperature
C. This causes a changes in weather, precipitation and temperature
Grammar › View
This pair of baseball gloves ________ made of leather.
A. is
B. are
C. was
D. were
Mixed Tenses › ViewCreate a sentence using mixed tenses (past perfect, present perfect, and future perfect).
A. I had finished my homework before I went to the party, and I will complete my project by next week.
B. I had finished my homework (past perfect) before I have gone to the party (present perfect), and I will have completed my project (future perfect) by next week.
C. I finish my homework before I go to the party, and I will complete my project by next week.
D. I will finish my homework before I went to the party, and I have completed my project by next week.
Grammar › View
There are ….students who need help.
A. a bit of
B. a number of
