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My friends and I did _____ difficult experiment in school last week.
A. a
B. an
C. the
D. –
Select your answer:

Random Topics:
Modals for ObligationArticles A and AnGerund/ To Verb/ VerbHow often - long - much - manyComparisionSynonymRelative Pronouns and AdverbsAdverbs of frequencyPast Simple and Past ProgressiveCoordinate ConjunctionOther quiz:
Grammar › ViewA’isy and Shazwan ____ badminton at the court now.
A. is playing
B. are playing
C. were playing
Vocabulary › View
What does ‘schedule’ refer to?
A. Done, chosen, etc. without deciding in advance what is going to happen, or without any regular pattern
B. An area or a region with a particular feature or use
C. Causing destruction or damage
D. A plan that lists all the work that you have to do and when you must do each thing
