[ Grammar ]
The teacher has been concerned __________ some time now.
A. of
B. for
C. too
D. since

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Correlative Conjunctions › ViewIdentify the correlative conjunctions in the sentence: ‘Either you come to the party or you stay home.’
A. either / come
B. come / stay
C. either or
D. to you
Grammar › View
…………. a student.
A. My brother’s
B. My brother
C. My brother’re
D. My brother’m
Modals › ViewI can sing now but I ________ sing very well when I was a child.
A. can’t
B. must
C. could
D. couldn’t
Grammar › View
_______ they twins? They look the same.
A. Is
B. Did
C. Are
D. Was
