[ 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:
Passive Voice in Past Simple Tense › ViewThe suspects _____________ (arrest) by the police yesterday.
A. arrested
B. was arrested
C. were arrested
D. were arresting
Vocabulary & Grammar › View
I think we got our ___ when planning the event—I thought you were in charge of booking the venue!
A. wires crossed
B. light years
C. rocket science
D. on the same wavelength
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
