按要求做题。

1. I saw him when I came here. He was watching the flowers. (合并为一句)

I ______ _______ ________ the flowers when I came here.

2. We haven't decided how we should deal with it. (改为简单句)

We haven't decided _________  __________  _________with it.

3. Jim has a headache. (就画线部分提问)

_________  __________  ________ Jim?

4. Tom missed the early bus. (改为同义句)

Tom ______to______ the early bus.

5. I found the books here are very cheap. So I bought all those I loved(改为同义句).

I found the books here ________, so I bought all those I loved.

有关地下管线的说法，正确的是（）。

A.深埋和浅埋的分界线是2.0m

B.热带地区无冰冻，给水、排水管道可浅埋

C.寒冷地区、排水管道应深埋、煤气管道可浅埋

D.电力、电信管线无论在南方还是北方均可浅埋