[ Gerunds ]
The medical authorities warned everyone not to drink the water without first_______it.
A. being boiled
B. boiling
C. having boiled
D. having to boil

Random Topics:
Present Progressive (Future)Grammar and Passive VoiceVerb PatternsPassive Voice - Past SimpleQuantifiersWish + Verb 2Tenses & AffixesGrammar speak,talk,say,tellPresent simple or Past simpleDescribing WordsOther quiz:
Tenses › ViewI ……… to Yogyakarta twice a week
A. went
B. will
C. had been
D. go
Tenses › View
My best friend and I _____ each other for over fifteen years. We still _____ together once a week.
A. were knowing/ got
B. knew/ have got
C. have known/ get
D. had known/ are getting
Vocabulary and Grammar › ViewThe students at my school can ______ quietly in the library in the afternoon.
A. do
B. have
C. study
D. play
Vocabulary › View
fleeting, or short life or duration
A. Ephemeral
B. Erudite
C. Abstract
D. Ponderous
