.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
.Even at the narrowest of the Pacific, it is about 3,200 km ____________.
A. widely B. with cross C. crossing D. in width
