It estimated is that only thirty percent of our planet’s surface consists of land.
A. estimated is
B. our
C. surface
D. consists

Random Topics:
Use of Prepositions or ConjunctionsGrammar AssessmentWh QuestionsContractions and ConjunctionsSubjunctiveGerund or InfinitivesDependent PrepositionWh- Questions Present Simple TensePreposition FormGrammar - Present Perfect with already, just, yetOther quiz:
Adverbs of Frequency › ViewComplete each sentence with a correctly-placed adverb and verb.
Men are good at finding their way. They ____________________ for directions
_
A. have rarely to ask
B. rarely have to ask
C. have to ask rarely
Simple Present Tense › View
Mereka selalu memanjat pohon jambu di halaman rumahku.
A. They always climb the guava tree in my house yard.
B. They sometimes climb the guava tree in my house yard.
C. They often climb the guava tree in my house yard.
D. They seldom climb the rambutan tree in my house yard.
Intermediate › ViewChoose the correct option to complete this sentence:
She __________ anyone that she was pregnant
A. said
B. didn’t tell
C. told
Modal Auxiliaries and Similar Expressions › View
What is the best way to ask for permission in a formal setting?
A. Could I access the server room?
B. Can I access the server room?
C. May I access the server room?
D. Shall I access the server room?
