[ Grammar for TOEFL ]
Rarely _____ located near city lights or at lower elevations.
A. observatories are
B. are
C. in the observatories
D. are observatories

Random Topics:
SubjunctivesSimple and Compound SentencesComparatives, Superlatives & EquativesGrammar - FutureTenses: Present simple, Past Simple, Future SimpleConditionalsWish, Unless, If sentenceGerund & InfinitivesPrepositions & Modal VerbsFuture or PastOther quiz:
Future Tenses › ViewI _____ this book for tonight’s classes.
A. am going to use
B. am using
Vocabulary and Grammar › View
What does “traction” mean?
A. The ability to be timed
B. The ability to be taught
C. The ability to be moved
D. The ability to be convinced
Perfect Progressive Tenses › ViewHe ______ (prepare) for the presentation all morning.
A. had been preparing
B. has been preparing
C. will have been preparing
Grammar › View
“I __________ to let my hair grow longer,” the lady said.
A. want
B. wants
