1.The worker worked for 12 hours.He didn't stop to have a rest.（改为同义句）
The worker worked for 12 hours _without____ __stopping___ to have a rest.
2.Parents like this programme.Children like this programme,too.（合并句子）
__Both___ parents __and___ children like this programme.
3.At last,they sent up Chang'e-1 successfully.（改为同义句）
They sent up Chang'e-1 successfully __in___ __the___ __end___．
4.The boy is running so fast that I couldn't catch up with him.（改为同义句）
The boy is running __too___ fast for me _to____ __catch___ up with him.