七年級英語填空題Nowadays people use fire not only to cook food but a

題目：

七年級英語填空題
Nowadays people use fire not only to cook food but also to melt metals.(保持原句意思)
Nowadays people use fire _________ to cook food _________ to melt metals .
John studies very hard . He can get good marks.(合併成一句句子)
John studies _______ hard _________ he can get good marks.

解答：

1.both and 2.so that