Topics: Vocabulary
Scientists think that wild animals must ____________ in their natural habitats.
A. keep
B. to keep
C. be keeping
D. be kept
Select your answer:
Random Topics:
Participle Clauses & Cleft SentencesConnectivesConditional Sentences and Verb FormPossessive PronounsClauses and ConjunctionEs and SInfinitives and ING FormsGrammarSimple Present and Present ContinuousPrepositions and ArticlesOther quiz:
Grammar › View……… the car is very old, it can still function properly.
A. Therefore
B. Because
C. Although
D. Moreover
Past Tenses › View
Identify the past continuous tense in the following sentence: ‘She was singing in the choir.’
A. is singing
B. sang
C. was singing
D. were singing