[ Grammar ]
The teacher has been concerned __________ some time now.
A. of
B. for
C. too
D. since
Select your answer:
Random Topics:
Because / soPresent Simple QuestionsMay, MightVerbs + Gerund or InfinitiveGerund - to Infinitive Present Continuous vs Future TensesNoun PhrasesPast Narrative TensesPrepositions and ConjunctionsAsking and Giving SuggestionOther quiz:
Grammar › ViewAll the boys _________ not allowed to keep long hair.
A. am
B. is
C. are
D. were
Grammar › View
How can we teach _______?
A. effective (adj)
B. effectively (adv)