[ Grammar ]
My children often sleep while they are …………. a plane.
A. on
B. in
C. by
D. x

Random Topics:
Correlative ConjunctionEssential and Nonessential ClausesPresent Perfect - Just, Already, YetComparative - SuperlativeSentence StructurePast Tense and NeutralOn, At, ByTenses and StructuresPronouns and AdverbsAuxiliary and Modal VerbsOther quiz:
Question Tag › ViewI wrote 12 poems on my own.
A. Did I?
B. Didn’t I ?
C. Don’t I ?
Tenses › View
I …………. Japanese food.
A. never have eaten
B. never have ate
C. has never eaten
D. have never eaten
Vocabulary › ViewWhat is the definition of “grimace”?
A. A broad smile
B. A facial expression of pain or disgust
C. A type of dance
D. A loud laugh
VERB TO BE › View
in/ English class / we/ are
A. We are in English class
B. class are in English We
C. English We class are in