连词成句。
【小题1】your; last; you; stay; grandparents; Friday; did; with (?)
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【小题2】asleep; he; in; the; class; fell (.)
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【小题3】and; go; see; on; Snow White; afternoon; let’s; Sunday (.)
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【小题4】and; we; see; a; go; shall; tonight; film (?)
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【小题5】you; going; do; what; to; this; are; weekend (?)
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—Act like a dog. （   ）
—________

A．OK.

B．Thank you.

C．Hello.

(   ) Here are some little______.

A．flags

B．flag

Let’s clean the classroom.(   )

A．Good idea.

B．Good job.

C．Goodbye.

_____ have a picnic in the park today! (   )

A．Let

B．Let’s

C．Lets’