[ Grammar ]
Was James playing with his mobile phone…….his classmates were discussing about an endangered species?
A. when
B. while

Random Topics:
Adverb PhrasesIndefinite and Definite ArticlesPRESENT SIMPLE vs PRESENT CONTINUOUS + QUANTFOR & SINCEVOCAB & GRAMMARModals of ProhibitionGerund and InfinitivesPresent Perfect and Present Perfect ContinuousGrammar: Reported QuestionsAdverbial ClausesOther quiz:
Grammar › ViewWhich of the following sentences contains a common noun?
A. Mr. Smith gave us a tour of New York City.
B. Sarah is my best friend.
C. The dog ran across the street.
D. We visited Paris last summer.
Vocabulary › View
“What can I do for you?” – “_____”
A. No need to help.
B. Thanks, I’m just looking.
C. Thank you.
D. Sorry for not buying anything.
Grammar › ViewThe downhill course was ___ to a higher part of the mountain.
a. move
b. moved
Conjunctions › View
The Great Wall of China is a famous landmark, _______ the Taj Mahal is in India.
A. and
B. but
C. so
D. nor
