[ Grammar and Vocabulary ]
_____ a little bit of history, it was thought to be impossible in any computer system _____ a window with a functioning channel.
A. To have given/to have
B. Giving/having
C. To give/to have
D. Given/having
E. To be giving/to have

Random Topics:
Present Continuous for FuturePresent and Past TenseSubordinating and Coordinating ConjunctionsComparative Adjectives and AdverbsWish SentencesModals and TensesSocial Media VocabularyModals in the Past - Speculation and DeductionPast Simple and ContinuousPersuasive TextOther quiz:
Grammar › ViewYou ________________ wear a coat. It’s cold outside.
A. should
B. shouldn’t
C. have to
Tenses › View
He walks to school in the mornings.
A. Present Simple Tense
B. Present Continuous Tense
C. Simple Past Tense
D. Past Continuous Tense
Adverbs of Manner › ViewRewrite the sentences using one of the adverbs.
She _____ hurt her leg while playing ice hockey.
A. secretly
B. happily
C. badly
D. quietly
Vocabulary › View
It’s ____________ quiet at night.
A. forward
B. accurately
C. mostly
D. backwards
