Everyone ______ be polite to the old people.
| A．may | B．should | C．can | D．could |
We are supposed to ___________a solution to stop people from looking down at their mobile phones while driving cars.
| A．come up with | B．come from |
| C．come out | D．come true |
I was supposed ___ at 7:00 ,but I arrived at 8:00.
| A．arrive | B．to arrive |
| C．arrives | D．arriving |
This kind of skirt looks ___ and sells _____.
| A．nice well | B．nice; good |
| C．well; well | D．good nice |
After Mandela was free (自由的) in 1990, he chose to shake hands with the people ________ wanted to kill him.
| A．whose | B．which | C．/ | D．Who |
All the students the sad story and they all cried.
| A．moved to | B．moved by |
| C．were moved to | D．were moved by |