[ Grammar ]
The Lab _______ for specific purposes.
A. has been sterilized
B. have been sterilized

Random Topics:
Simple Tenses in EnglishIndefinite PronounsGrammar and Passive VoiceTravel VocabularyPossessive Adjectives and Possessive PronounsConjunctions, Interjections and Sentence TypePresent Perfect and Present Perfect ContinuousAdverb of TimeSimple present/ past/ future tenseFirst & Second ConditionalOther quiz:
Question Tags › ViewHe’s got a camera, ___?
a. has he
b. hasn’t he
c. had he
Mixed Conditionals › View
If Mary had insurance, she_____________ for the damage to her car yesterday.
A. wouldn’t have paid
B. didn’t pay
C. wouldn’t pay
D. doesn’t pay
Prepositions › ViewIdentify the preposition in the sentence
We walked in the sunny part of the sidewalk..
A. in
B. sunny
C. walked
D. we
Indirect Speech › View
“I will see you at school next week,” Miss Katherine said to her students.
=> Miss Katherine … her students that she would see them at school the next week.
A. said
B. said to
C. told
D. asked
