We have English, math and science Thursday.A.on B.in C.at
动动脑。（选择相对应的答语，只填序号）
Can I come. A.inB. onC.at
I can go to the shopsome sweets. A.ofB.forC.to
It is. A.snowB.snowingC.snowwing
I can help. A.herB.youC.his
.
some sweets.
.
.
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