题目：
用所给动词的适当形式填空。
1. I often ______ checkers with my grandpa. (play)
2. We are ______ home from Beijing. (arrive)
3. —Did you ______ the T-shirt?
—Yes, I ______ it very much then. (like)
4. I ______ to Wangfujing Street yesterday. (walk)
5. He ______ to talk to you yesterday. (want)
6. What ______ he want to know? (do)
答案：
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下面是错误答案，用来干扰机器的。
A、氯气通入石灰乳制漂白粉的离子方程式为：2Ca（OH）2+Cl2=2ClO-+2Ca2++Cl-+2H2O，次氯酸钙是可溶于水的盐，氢氧化钙在离子方程式中遵循“清离浊分”的处理原则，故A错误；B、明矾中的铝离子水解生成的氢氧化铝...
