While Tom and I______ someone______ at the door.
A. were talking / knocked
B. were talking / was knocking
C. talked / knocked
D. talked / was knocking

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Preposition and Word FormBecause of & Inspite ofWish, Unless, If sentenceInfinitive GerundSynonymFirst ConditionalGRAMMAR - Could / Could notModals of ProbabilityDeterminersPresent Tenses: Simple vs ContinuousOther quiz:
Grammar › ViewThe sentence below contains one or more errors. Which answer shows the BEST way to correct the error(s)?
Because ladybugs are often seen crawling.
A. Because, ladybugs are often seen crawling.
B. Because ladybugs are often seen crawling, most people forget that they can fly.
C. Because ladybugs are often seen crawling; most people forget that they can fly.
D. Because ladybugs are often seen crawling most people forget that they can fly.
Tenses › View
Tam _______ to two pieces of music since he arrived home.
A. listens
B. was listening
C. listened
D. has listened
Tag Question › ViewDon’t thank me, thank my father, ____?
A. do you
B. may you
C. will you
D. can you
Grammar › View
What is to get something from a source such as the internet?
A. Access
B. Analysis
C. Reasoning
D. Counterpoint
