To improve the quality of our products, we ask ____ has used them for suggestions.
| A．anyone | B．who | C．no matter who | D．whoever |
Please remember to wash your hands with soap ___ the end of the experiment.
| A．by |
| B．in |
| C．to |
| D．at |
Usually before exams, students ___ two minutes to write down their names.
| A．are given |
| B．were given |
| C．gave |
| D．give |
___ I know, many thousands of tourists from the mainland have been to Taiwan.
| A．As soon as |
| B．As well as |
| C．As much as |
| D．As far as |
Hong Kong ___ to be a good place for eating today.
| A．knows |
| B．knew |
| C．is known |
| D．was knows |
People in Korean ___ bow when they meet for the first time.
| A．supposed to |
| B．are suppose to |
| C．are supposed to |
| D．suppose to |