• 2022-06-06
    We can see ______ hundreds of birds flying in _____ sky.
    A: a, a,
    B: / , a
    C: / , the
    D: the, the
  • C

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      How can you know it’s not a good day to go sailing? A: Migrating birds are flying in the wrong direction. B: You can’t see a bird anywhere. C: Seagulls are sitting on the ground in large groups. D: Birds are flying overhead in the summertime.

    • 1

      High in the sky a _____ of birds was flying southward.( ) A: crowd B: swarm C: flock D: pack

    • 2

      High in the sky a ____ of birds was flying southward. A: swarm B: flock C: crowd D: herd

    • 3

      At night we can see ( ) stars in the sky. A: thousands of B: thousand of C: the thousand D: thousand and thousands

    • 4

      We can see _____________ stars in the sky at night. A: a thousand of B: thousands C: thousand of D: thousands of