• 2022-06-10
    He _______ when the teacher came in.
    A: A.sang
    B: B.has sung
    C: C.was singing
  • C

    内容

    • 0

      We were cleaning the classroom _______ the teacher came in. A: when B: so C: but D: and

    • 1

      4. The students ________ (read) the textbooks in the classroom when the teacher came in.

    • 2

      Andy ______ cooking dinner when he came in.

    • 3

      He pretended _________ when his mother came in.

    • 4

      The classroom _______ cleaned before the teacher came in. A: was B: has been C: had D: had been