16．Please tell me how the accident_____. I am still in the dark.
| A．came by | B．came out | C．came to | D．came about |
Two lawyers have donated $ 50, 000 to _________ our school’s campaign “Help the Needy”, which was started by our former headmaster 10 years ago.
| A．approve | B．advocate | C．guarantee | D．sponsor |
Don’t touch your eyes, nose and mouth, because they aren’t covered by skin and can ________ the virus easily.
| A．pick up | B．take up | C．make up | D．bring up |
--- Mr. Anderson is popular with his students, for he is kind, strict and knowledgeable.
--- No wonder he has such a good_________.
| A．reputation | B．tradition | C．preference | D．presentation |
--- I hear that Jason is planning to buy a new car.
--- I know. By next month, he ________ enough for a used one.
| A．has saved | B．saves | C．will be saving | D．will have saved |
--- What on earth are the police busy with?
--- They have been investigating how the train crash __________.
| A．came out | B．came across | C．came about | D．came up |