Scientists have established a (connect) ____ between smoking and lung cancer.

Scientists have given many ideas for ______space. Esta soy 求翻译：Japanese scientists have created a power Scientists have lots of idea 要成单数的哦, Scientists have d_____ that this disease is carried by mice. Scientists have already made robots to walk and dance 改错 Scientists have already made robts walk and dance.否定句 scientists have a____found ways to ……首字母 British scientists have a 20-year study.汉语意思是什么 Scientists have much knowledge about trees.同意句 西班牙语中的esta是什么意思? 西班牙语Esta usted Como esta usted Hola esta alli 西班牙语, 西班牙语mira esta que Many scientists have created a new t____ to diagMany scientists have created a new t____ to diagnose and treat children born with heart disease. 口译听力问题1Scientists have yet to develop battery-operated cars.何意? Scientists have learnt a grate deal about the kinds of food people need.