I’mtenyearsoldandmysisteristwoyearsolderthanme，sosheist_____yearsold。
Wecanseesomebirdsoverthere.(对画线部分提问)
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shoes(单数)__________
Lookatthesign.Thelibraryis_____(close)from1:00p.mto2:00p.m.
Ithinkthe______(four)lessonisthemostdifficultinthisbook.
