[ Grammar ]
You must close the application before … the installation of the software update.
A. to begin
B. beginning
C. must begin
D. begins

Random Topics:
Grammar: was/werePrepositions & Prepositional Phrasestake, make, doFuture Tense and ConditionalsSimple and Continuous TensesSo / Neither / Either / TooAdjective + to + Verband, so, but, becauseAdverbs of Time and PlacePhrasal VerbsOther quiz:
Verb To Be › ViewChoose the correct option.
A. They are kid.
B. They are Children.
Grammar & Vocabulary › View
The number of volunteers at the hospital _____________ in recent years.
A. decrease
B. decreases
C. has decreased
D. have decreased
Adjective › View
Is he young ?
a. Yes, he is
b. NO, he isn’t.
Grammar › View
Marketing campaigns stressing new product designs and affordable prices as well as discounts _____ favorite strategies of many companies.
A. has been
B. is
C. being
D. are
