根据句意及首字母提示补全单词。

1. It’s raining hard. So we have to use an u         together.

2. They are playing on the s        beach by the sea.

3. It’s a big b        Many children like buying books here.

4. After he said g         to his friends, he left for Beijing to meet his parents.

5. Before you c         the road, look right and left carefully.

假定Games表存储参赛情况，如下的SQL语句是委员会用于查询“队名为‘China’的各个运动员各自夺取得的总积分”的不完整语句，请在空缺处填入正确的内容。
SEl3ECT (1)
FROM Games
WHERE ANo (2)
(SELECT ANo
FROM (3)
WHERE ATeam="China")
GROUP BY ANo;