You were stupid to climb up that big tree. You ______ yourself.
| A．must have killed | B．can have killed |
| C．should have killed | D．might have killed |
On my way home, I saw a young man with _____ shoulders trying to find out how _____ the river is by walking across it.
| A．wide; wide | B．broad; broad | C．broad; wide | D．wide; broad |
Always surrounded by honors, praises and gifts, young kids nowadays are easy to suffer psychological problems when things _____ them.
| A．come across | B．go against | C．go through | D．go without |
My father seems to have a natural gift _____ treating frostbites(冻伤). ______ , he is able to cure it.
| A．at; however serious a frostbite is |
| B．for; whatever serious a frostbite is |
| C．with; however a frostbite is serious |
| D．for; however serious a frostbite is |
The worried general was looking at the map when the idea of the enemy’s attack might be launched ______dawn ______ his mind.
| A．at; crossed | B．at; to cross |
| C．before; came across | D．after; went over |
Foreign visitors will be amazed ______ the art work of three cowboys on horseback ______ a crowd of cows back home along a road on the Rocky Mountains on one broad maple leaf.
| A．seeing; driving | B．to see; to drive |
| C．to see; driving | D．seeing; to drive |