[ Preposition ]
There is somebody ______ the door. Shall I go and see who it is?
A. in
B. on
C. at

Random Topics:
Grammar Error Correction (Simple Present Tense)Indirect SpeechGrammarQuestion TagGrammar - NounsNarrative TensesGrammar, adverbs of frequency placementTOEFL GrammarSecond ConditionalClauses and ConjunctionsOther quiz:
Gerunds as objects of preposition › ViewYou should always apologize ___ being late.
A. about
B. for
C. to
D. of
E. with
Grammar › View
Complete the sentence with the coordinating conjunction that make sense.
Eric got an A on the spelling test, _____ he had studied hard.
_
A. or
B. yet
C. for
D. but
Verb Tenses › View. Which sentence uses the past perfect continuous? a) I had been waiting for an hour. b) I waited for an hour.
A. I will wait for an hour.
B. I was waiting for an hour.
C. I have been waiting for an hour.
D. I had been waiting for an hour.
Modal Verbs › View
It’s sunny outside, but she’s carrying an umbrella. It ___ rain later.
A. might
B. must
C. can’t
