It’s such a difficult problem _______ nobody can work out.
A.as B.that C.which D.so that
Sales director is a position _______ communication ability is just as important as sales.
A.which B.that C.when D.where
Sandy could do nothing but ______ to his teacher that he was wrong.
A.to admit B.admitted C.admit D.admitting
I can never understand the reason _______ he explained to me.
A.why B.that C.when D.where
Such books are not worthy _______ at all.
A.reading B.being read C.of being read D.to read
阅读下面短文，根据所给情节进行续写，使之构成一个完整的故事。
We lived not far from the sea, but I had never been allowed by my parents to play in the sea water. It was said that there was weed(水草) at the bottom of the water along the beach and of course it was dangerous to swim in the water. But I didn’t believe it and that day, I agreed to play with my friends on the beach. I had to lie to my parents since I would never get a chance to go out if I told them I would go to play on the beach without them in sight.
After breakfast, I read a book in my room for some time to wait from my mum to leave the house. But she kept working in the kitchen. I couldn’t waste time any more. Otherwise(否则，要不然), Bobby and Jimmy would be angry.
I went downstairs slowly and tried to walk casually(随意地) towards the back door. Mum asked me without looking up from her work of dishwashing, “Where are you going?’ I answered without hesitation(毫不犹豫地), “I am going to the outside on the grass to play with Jack and Tim.” After I got out of the room, I breathed a sigh of relief(松了一口气). My plan had worked out fine so far. I climbed the fence and jumped onto the muddy field a few feet away from my house and started running towards the bus stop at top speed. I was on the beach scanning the crowd for my friends Jimmy and Bobby about ten minutes later. After a while, I saw them near a coconut (椰子) tree. I ran towards them and got into my swimming trunks(游泳裤). For about an hour, we played volleyball happily. Suddenly, Bobby hit the ball too hard and the ball fell onto the sea. Just as Bobby was going to pick up the ball, the tide(潮水) came in and carried the ball further and further away from the shore. I wanted to show off my swimming skills, so I declared (宣布) to help get the ball for them.
注意：1. 所续写短文的词数应为150左右；
2. 应使用5个以上短文中标有下划线的关键词语；
3. 续写部分分为两段，每段的开头语已为你写好；
4. 续写完成后，请用下划线标出你所使用的关键词语。
Paragraph 1:
I dived into the water and started swimming at a steady pace(以稳定的速度).
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Paragraph 2:
I struggled to keep afloat (漂浮的) but it was no use.
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