30．It is reported that there will be a heavy rain tomorrow; _____ the hike would be put off．
| A．in any case | B．in which case | C．in this case | D．in no case |
.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 |
.Even at the narrowest of the Pacific, it is about 3,200 km ____________.
| A．widely | B．with cross | C．crossing | D．in width |