The point is not who said the words, _____ they are true or not.
| A．but whether | B．and whether |
| C．but how | D．and how |
.So often ______ in recent years that it has almost become a rule.
| A．has this happened | B．this has happened |
| C．is this happening | D．for this to happen |
.The farmer who admitted ______ the tiger was severely punished.
| A．to kill | B．killing | C．killed | D．to have killed |
.They ______ be at home. You see, the door is locked from the outside.
| A．can’t | B．may | C． must | D． mustn’t |
.Our English teacher had us all _______our names on a card.
| A．written | B．to write | C．write | D．for writing |
.The ______ student standing at the gate speaks very good Chinese.
| A．tall young American | B．young tall American |
| C．American tall young | D．American young tall |