My family like to travel. Mother prefers to take a bus to travel, while father ______ to travel.
| A．stick to drive | B．sticks to driving |
| C．stick driving | D．sticks |
We'll never give up working on the experiment (实验), ______ difficult it is.
| A．no matter how | B．no matter how many |
| C．no matter what | D．no matter where |
After class, students ______ clean the chalk off the blackboard.
| A．was excepted to | B．are supposed to |
| C．are important to | D．was polite to |
The fish on the table ______. I want to eat it right now.
| A．smells good | B．smells bad |
| C．smells well | D．smells badly |
In this hotel, we have two rooms to live in, but we can’t decide ______.
| A．chose which one | B．to choose which one |
| C．which one to choose | D．which one to chose |