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【題目】The birds ________ watching us. ( )

【題目】He can _____________ that. ( )

【題目】連詞成句：falling, the, down, apples, are, stairs, the (.)

【題目】連詞成句：are, in, the, tree, birds, the, singing (.)

【題目】I can carry this bag.（改為否定句）

【題目】Let’s ________ in the window. ( )

【題目】He is one ________ old. ( )

【題目】How old ________ she? ( )

【題目】Tom and Mary ________ the park in Beijing. ( )

【題目】Her mother is at the supermarket.（對(duì)畫線部分提問(wèn)）