[ Grammar ]
The scientist usually works in his lab __________ the sun sets.
A. until
B. as soon as
C. although
Random Topics:
Simple Past Irregular & NegativeSimple and Compound SentencesPresent Forms and Narrative TensesQuantifies and Modals of DeductionWill, Be going to, Present ContinuousSentence Structure and Verb TensesTenses - Present and PastInversion + Passive VoiceFirst Conditional SentenceGrammar: AgreementOther quiz:
Grammar › ViewVocabulary
Since Mum went on strike, the dishes have been ________ in the kitchen sink.
_
A. falling out
B. falling apart
C. piling up
D. piling on
Conjunctions › View
We bought popcorn ___________ we watched the movie.
A. because
B. although
C. before
D. after
Grammar › ViewHow many students in your class _________ from Korea?
A. comes
B. come
C. are coming
D. came
Grammar › View
— is your grandfather?
He is 90 years old
A. How old
B. How far
C. How long