1he is clever and can work out these difficult problems in such a short time（同义句转换）---------him---------out these difficult problens in such a short time2you should wear the raincoat in rainy weather (改为否定句)you --------the raincoat in rainy weather
问题描述：
1he is clever and can work out these difficult problems in such a short time（同义句转换）
---------him---------out these difficult problens in such a short time
2you should wear the raincoat in rainy weather (改为否定句)
you --------the raincoat in rainy weather
答
He is clever,for example,he can solve many questions in a short time.
答
保证准确!
= （It's clever of) him (to work) out these difficult problems in such a short time.
shouldn't wear