[ Grammar ]
Scientists are looking at … possibilities
A. some
B. any

Random Topics:
Continuous TensesAdverbial Concession ClausesAdjectives & PrepositionsAdverbs, Modals, Preposition of timeUncountable NounsSports VocabularyHomophone & HomonymSimple Present and Past TensesGerunds in SentencesCan, Could, May, MightOther quiz:
Homonyms › ViewA ___ of children attacked the treats on the picnic table.
a. hoard
b. horde
Past Tenses › View
The thief …………… when the police arrived.
A. escaped
B. had been esaaping
C. had escaped
D. was escaping
Vocabulary & Grammar › ViewHow can you let such a silly incident ________ your friendship?
A. wreck
B. to wreck
C. wrecking
D. that wrecks
Tenses › View
The drizzle ____ continuously this morning from 6 AM to 9 AM.
A. fell
B. falls
C. is falling
D. will fall
