[ Grammar ]
Sand is used in the _______ of glass.
A. production (n)
B. produce (v)
C. productive (adj)
D. productively (adv)

Random Topics:
Punctuating ClausesInfinitive FormsWish - beginnerConditionalHas and HavePast Simple vs Present SimpleGerund & InfinitiveIELTS GrammarImperative SentencesAuxiliary and Modal VerbsOther quiz:
Grammar › ViewOlly and Max said, “We don’t know the population of London.”
A. Olly and Max said that they don’t know the population of London.
B. Olly and Max said that they didn’t know the population of London.
C. Olly and Max said we didn’t know the population of London.
D. Olly and Max said that they hadn’t known the population of London.
Vocabulary › View
Many teenagers are _________about current events.
A. decisive
B. ignorant
C. converge
D. periphery
Grammar › Viewwho is coming? it’s ………….friend.
A. faqih’s
B. him
C. he
D. theirs
Grammar › View
He normally _____ dinner at home.
A. eats
B. eat
C. have
D. heat
