.When the American constitution ______into effect in ,it didn’t contain any words guaranteeing the basic rights of ordinary citizens.A went B. had gone C. has gone D. was going
We are supposed to ___________a solution to stop people from looking down at their mobile phones while driving cars.
I was supposed ___ at 7:00 ,but I arrived at 8:00.
This kind of skirt looks ___ and sells _____.
After Mandela was free (自由的) in 1990, he chose to shake hands with the people ________ wanted to kill him.
All the students the sad story and they all cried.