How do you study _____ a test?—I study _____ working with a group. [ ]

Last Sunday, we went to China Dinosaur Land in Changzhou. We ____________ there for 10 hours.

My brother ______singing ______ dancing while I _____ dance _____sing.

Europeans made ______ clear that they did not want to take the Roma as neighbors.

_ I use your eraser, Rose?— Sure. Here you are.