请教几道高中英语题

1.在20世纪60年代这座城市见证了黑人和白人之间一连串的冲突（see）

-----  ------  ------  --------  --------  --------  fierce fights between blaks and whites in 1960s.

2.只有农业发展了，工业才能有足够的原料和市场（only）

------  ------  agriculture is fully  developed ------  -------  -------- sufficient materials and markets.

 

1. The city saw a series of  fierce fights between blaks and whites in 1960s.

 

2. Only when agriculture is fully  developed  can industry have sufficient materials and markets.

1. In this city we could see 2. Only when     will industry has